On 11/1/22 18:08, Numan Siddique wrote:
On Mon, Oct 17, 2022 at 9:15 AM Adrian Moreno <[email protected]> wrote:

By default, traffic that doesn't match any configured flow will be dropped.
But having that behavior implicit makes those drops more difficult to
visualize.

Make default drops explicit both as default logical flows and as default
openflow flows (e.g: for physical tables).

Signed-off-by: Adrian Moreno <[email protected]>

Thanks for the patch.

Can you please update the documentation in ovn-northd.8.xml about the
newly added flows ?

Also the same applies for patch 3.


Thanks Numan. I've sent v5 with some more documentation.

Thanks
Numan

---
  controller/physical.c |  45 ++++++++
  northd/northd.c       |  34 +++++-
  tests/ovn-northd.at   |  84 ++++++++++++++
  tests/ovn.at          | 256 ++++++++++++++++++++++++++++++++++++------
  4 files changed, 383 insertions(+), 36 deletions(-)

diff --git a/controller/physical.c b/controller/physical.c
index 705146316..415d16b76 100644
--- a/controller/physical.c
+++ b/controller/physical.c
@@ -833,6 +833,17 @@ put_zones_ofpacts(const struct zone_ids *zone_ids, struct 
ofpbuf *ofpacts_p)
      }
  }

+static void
+add_default_drop_flow(uint8_t table_id,
+                      struct ovn_desired_flow_table *flow_table)
+{
+    struct match match = MATCH_CATCHALL_INITIALIZER;
+    struct ofpbuf ofpacts;
+    ofpbuf_init(&ofpacts, 0);
+    ofctrl_add_flow(flow_table, table_id, 0, 0, &match,
+                    &ofpacts, hc_uuid);
+}
+
  static void
  put_local_common_flows(uint32_t dp_key,
                         const struct sbrec_port_binding *pb,
@@ -2114,6 +2125,13 @@ physical_run(struct physical_ctx *p_ctx,
          }
      }

+    /* Table 0, priority 0.
+     * ======================
+     *
+     * Drop packets tha do not match any tunnel in_port.
+     */
+    add_default_drop_flow(OFTABLE_PHY_TO_LOG, flow_table);
+
      /* Table 37, priority 150.
       * =======================
       *
@@ -2159,6 +2177,13 @@ physical_run(struct physical_ctx *p_ctx,
      ofctrl_add_flow(flow_table, OFTABLE_REMOTE_OUTPUT, 0, 0, &match,
                      &ofpacts, hc_uuid);

+    /* Table 38, priority 0.
+     * ======================
+     *
+     * Drop packets that do not match previous flows.
+     */
+    add_default_drop_flow(OFTABLE_LOCAL_OUTPUT, flow_table);
+
      /* Table 39, Priority 0.
       * =======================
       *
@@ -2185,5 +2210,25 @@ physical_run(struct physical_ctx *p_ctx,
      ofctrl_add_flow(flow_table, OFTABLE_SAVE_INPORT, 0, 0, &match,
                      &ofpacts, hc_uuid);

+    /* Table 65, priority 0.
+     * ======================
+     *
+     * Drop packets that do not match previous flows.
+     */
+    add_default_drop_flow(OFTABLE_LOG_TO_PHY, flow_table);
+
+    /* Table 68, priority 0.
+     * ======================
+     *
+     * Drop packets that do not match previous flows.
+     */
+    add_default_drop_flow(OFTABLE_CHK_LB_HAIRPIN, flow_table);
+
+    /* Table 70, priority 0.
+     * ======================
+     *
+     * Drop packets that do not match previous flows.
+     */
+    add_default_drop_flow(OFTABLE_CT_SNAT_HAIRPIN, flow_table);
      ofpbuf_uninit(&ofpacts);
  }
diff --git a/northd/northd.c b/northd/northd.c
index 6771ccce5..ce4f0af56 100644
--- a/northd/northd.c
+++ b/northd/northd.c
@@ -5164,6 +5164,16 @@ ovn_lflow_add_at(struct hmap *lflow_map, struct 
ovn_datapath *od,
                                 io_port, ctrl_meter, stage_hint, where, hash);
  }

+static void
+__ovn_lflow_add_default_drop(struct hmap *lflow_map,
+                             struct ovn_datapath *od,
+                             enum ovn_stage stage,
+                             const char *where)
+{
+    ovn_lflow_add_at(lflow_map, od, stage, 0, "1", "drop;",
+                         NULL, NULL, NULL, where );
+}
+
  /* Adds a row with the specified contents to the Logical_Flow table. */
  #define ovn_lflow_add_with_hint__(LFLOW_MAP, OD, STAGE, PRIORITY, MATCH, \
                                    ACTIONS, IN_OUT_PORT, CTRL_METER, \
@@ -5176,6 +5186,10 @@ ovn_lflow_add_at(struct hmap *lflow_map, struct 
ovn_datapath *od,
      ovn_lflow_add_at(LFLOW_MAP, OD, STAGE, PRIORITY, MATCH, ACTIONS, \
                       NULL, NULL, STAGE_HINT, OVS_SOURCE_LOCATOR)

+#define ovn_lflow_add_default_drop(LFLOW_MAP, OD, STAGE)                    \
+    __ovn_lflow_add_default_drop(LFLOW_MAP, OD, STAGE, OVS_SOURCE_LOCATOR)
+
+
  /* This macro is similar to ovn_lflow_add_with_hint, except that it requires
   * the IN_OUT_PORT argument, which tells the lport name that appears in the
   * MATCH, which helps ovn-controller to bypass lflows parsing when the lport 
is
@@ -10983,6 +10997,9 @@ build_adm_ctrl_flows_for_lrouter(
           * Broadcast/multicast source address is invalid. */
          ovn_lflow_add(lflows, od, S_ROUTER_IN_ADMISSION, 100,
                        "vlan.present || eth.src[40]", "drop;");
+
+        /* Default action for L2 security is to drop. */
+        ovn_lflow_add_default_drop(lflows, od, S_ROUTER_IN_ADMISSION);
      }
  }

@@ -11224,6 +11241,8 @@ build_neigh_learning_flows_for_lrouter(
                            "nd_ns", "put_nd(inport, ip6.src, nd.sll); next;",
                            copp_meter_get(COPP_ND_NS, od->nbr->copp,
                                           meter_groups));
+
+        ovn_lflow_add_default_drop(lflows, od, S_ROUTER_IN_LEARN_NEIGHBOR);
      }

  }
@@ -11500,6 +11519,8 @@ build_static_route_flows_for_lrouter(
          const struct hmap *bfd_connections)
  {
      if (od->nbr) {
+        ovn_lflow_add_default_drop(lflows, od, S_ROUTER_IN_IP_ROUTING_ECMP);
+        ovn_lflow_add_default_drop(lflows, od, S_ROUTER_IN_IP_ROUTING);
          ovn_lflow_add(lflows, od, S_ROUTER_IN_IP_ROUTING_ECMP, 150,
                        REG_ECMP_GROUP_ID" == 0", "next;");

@@ -11671,6 +11692,7 @@ build_ingress_policy_flows_for_lrouter(
                        REG_ECMP_GROUP_ID" = 0; next;");
          ovn_lflow_add(lflows, od, S_ROUTER_IN_POLICY_ECMP, 150,
                        REG_ECMP_GROUP_ID" == 0", "next;");
+        ovn_lflow_add_default_drop(lflows, od, S_ROUTER_IN_POLICY_ECMP);

          /* Convert routing policies to flows. */
          uint16_t ecmp_group_id = 1;
@@ -11703,11 +11725,13 @@ build_arp_resolve_flows_for_lrouter(
          ovn_lflow_add(lflows, od, S_ROUTER_IN_ARP_RESOLVE, 500,
                        "ip4.mcast || ip6.mcast", "next;");

-        ovn_lflow_add(lflows, od, S_ROUTER_IN_ARP_RESOLVE, 0, "ip4",
+        ovn_lflow_add(lflows, od, S_ROUTER_IN_ARP_RESOLVE, 1, "ip4",
                        "get_arp(outport, " REG_NEXT_HOP_IPV4 "); next;");

-        ovn_lflow_add(lflows, od, S_ROUTER_IN_ARP_RESOLVE, 0, "ip6",
+        ovn_lflow_add(lflows, od, S_ROUTER_IN_ARP_RESOLVE, 1, "ip6",
                        "get_nd(outport, " REG_NEXT_HOP_IPV6 "); next;");
+
+        ovn_lflow_add_default_drop(lflows, od, S_ROUTER_IN_ARP_RESOLVE);
      }
  }

@@ -11833,9 +11857,9 @@ build_arp_resolve_flows_for_lrouter_port(
           * in stage "lr_in_ip_input" but traffic that could have been unSNATed
           * but didn't match any existing session might still end up here.
           *
-         * Priority 1.
+         * Priority 2.
           */
-        build_lrouter_drop_own_dest(op, S_ROUTER_IN_ARP_RESOLVE, 1, true,
+        build_lrouter_drop_own_dest(op, S_ROUTER_IN_ARP_RESOLVE, 2, true,
                                      lflows);
      } else if (op->od->n_router_ports && !lsp_is_router(op->nbsp)
                 && strcmp(op->nbsp->type, "virtual")) {
@@ -12437,6 +12461,8 @@ build_egress_delivery_flows_for_lrouter_port(
          ds_put_format(match, "outport == %s", op->json_key);
          ovn_lflow_add(lflows, op->od, S_ROUTER_OUT_DELIVERY, 100,
                        ds_cstr(match), "output;");
+
+        ovn_lflow_add_default_drop(lflows, op->od, S_ROUTER_OUT_DELIVERY);
      }

  }
diff --git a/tests/ovn-northd.at b/tests/ovn-northd.at
index bd6dad910..4ca6e0fc8 100644
--- a/tests/ovn-northd.at
+++ b/tests/ovn-northd.at
@@ -2848,6 +2848,7 @@ AT_CAPTURE_FILE([lr0flows3])
  AT_CHECK([grep "lr_in_policy" lr0flows3 | sed 's/table=../table=??/' | sort], 
[0], [dnl
    table=??(lr_in_policy       ), priority=0    , match=(1), 
action=(reg8[[0..15]] = 0; next;)
    table=??(lr_in_policy       ), priority=10   , match=(ip4.src == 10.0.0.3), 
action=(reg8[[0..15]] = 1; reg8[[16..31]] = select(1, 2);)
+  table=??(lr_in_policy_ecmp  ), priority=0    , match=(1), action=(drop;)
    table=??(lr_in_policy_ecmp  ), priority=100  , match=(reg8[[0..15]] == 1 && 
reg8[[16..31]] == 1), action=(reg0 = 172.168.0.101; reg1 = 172.168.0.100; eth.src = 
00:00:20:20:12:13; outport = "lr0-public"; flags.loopback = 1; next;)
    table=??(lr_in_policy_ecmp  ), priority=100  , match=(reg8[[0..15]] == 1 && 
reg8[[16..31]] == 2), action=(reg0 = 172.168.0.102; reg1 = 172.168.0.100; eth.src = 
00:00:20:20:12:13; outport = "lr0-public"; flags.loopback = 1; next;)
    table=??(lr_in_policy_ecmp  ), priority=150  , match=(reg8[[0..15]] == 0), 
action=(next;)
@@ -2863,6 +2864,7 @@ sed 's/reg8\[[0..15\]] == [[0-9]]*/reg8\[[0..15\]] == 
<cleared>/' | sed 's/table
    table=??(lr_in_policy       ), priority=0    , match=(1), action=(reg8[[0..15]] = 
<cleared>; next;)
    table=??(lr_in_policy       ), priority=10   , match=(ip4.src == 10.0.0.3), 
action=(reg8[[0..15]] = <cleared>; reg8[[16..31]] = select(1, 2);)
    table=??(lr_in_policy       ), priority=10   , match=(ip4.src == 10.0.0.4), 
action=(reg8[[0..15]] = <cleared>; reg8[[16..31]] = select(1, 2, 3);)
+  table=??(lr_in_policy_ecmp  ), priority=0    , match=(1), action=(drop;)
    table=??(lr_in_policy_ecmp  ), priority=100  , match=(reg8[[0..15]] == <cleared> && 
reg8[[16..31]] == 1), action=(reg0 = 172.168.0.101; reg1 = 172.168.0.100; eth.src = 00:00:20:20:12:13; 
outport = "lr0-public"; flags.loopback = 1; next;)
    table=??(lr_in_policy_ecmp  ), priority=100  , match=(reg8[[0..15]] == <cleared> && 
reg8[[16..31]] == 1), action=(reg0 = 172.168.0.101; reg1 = 172.168.0.100; eth.src = 00:00:20:20:12:13; 
outport = "lr0-public"; flags.loopback = 1; next;)
    table=??(lr_in_policy_ecmp  ), priority=100  , match=(reg8[[0..15]] == <cleared> && 
reg8[[16..31]] == 2), action=(reg0 = 172.168.0.102; reg1 = 172.168.0.100; eth.src = 00:00:20:20:12:13; 
outport = "lr0-public"; flags.loopback = 1; next;)
@@ -2882,6 +2884,7 @@ sed 's/reg8\[[0..15\]] == [[0-9]]*/reg8\[[0..15\]] == 
<cleared>/' | sed 's/table
    table=??(lr_in_policy       ), priority=10   , match=(ip4.src == 10.0.0.3), 
action=(reg8[[0..15]] = <cleared>; reg8[[16..31]] = select(1, 2);)
    table=??(lr_in_policy       ), priority=10   , match=(ip4.src == 10.0.0.4), 
action=(reg8[[0..15]] = <cleared>; reg8[[16..31]] = select(1, 2, 3);)
    table=??(lr_in_policy       ), priority=10   , match=(ip4.src == 10.0.0.5), action=(reg0 = 
172.168.0.110; reg1 = 172.168.0.100; eth.src = 00:00:20:20:12:13; outport = 
"lr0-public"; flags.loopback = 1; reg8[[0..15]] = <cleared>; next;)
+  table=??(lr_in_policy_ecmp  ), priority=0    , match=(1), action=(drop;)
    table=??(lr_in_policy_ecmp  ), priority=100  , match=(reg8[[0..15]] == <cleared> && 
reg8[[16..31]] == 1), action=(reg0 = 172.168.0.101; reg1 = 172.168.0.100; eth.src = 00:00:20:20:12:13; 
outport = "lr0-public"; flags.loopback = 1; next;)
    table=??(lr_in_policy_ecmp  ), priority=100  , match=(reg8[[0..15]] == <cleared> && 
reg8[[16..31]] == 1), action=(reg0 = 172.168.0.101; reg1 = 172.168.0.100; eth.src = 00:00:20:20:12:13; 
outport = "lr0-public"; flags.loopback = 1; next;)
    table=??(lr_in_policy_ecmp  ), priority=100  , match=(reg8[[0..15]] == <cleared> && 
reg8[[16..31]] == 2), action=(reg0 = 172.168.0.102; reg1 = 172.168.0.100; eth.src = 00:00:20:20:12:13; 
outport = "lr0-public"; flags.loopback = 1; next;)
@@ -2900,6 +2903,7 @@ sed 's/reg8\[[0..15\]] == [[0-9]]*/reg8\[[0..15\]] == 
<cleared>/' | sed 's/table
    table=??(lr_in_policy       ), priority=0    , match=(1), action=(reg8[[0..15]] = 
<cleared>; next;)
    table=??(lr_in_policy       ), priority=10   , match=(ip4.src == 10.0.0.4), 
action=(reg8[[0..15]] = <cleared>; reg8[[16..31]] = select(1, 2, 3);)
    table=??(lr_in_policy       ), priority=10   , match=(ip4.src == 10.0.0.5), action=(reg0 = 
172.168.0.110; reg1 = 172.168.0.100; eth.src = 00:00:20:20:12:13; outport = 
"lr0-public"; flags.loopback = 1; reg8[[0..15]] = <cleared>; next;)
+  table=??(lr_in_policy_ecmp  ), priority=0    , match=(1), action=(drop;)
    table=??(lr_in_policy_ecmp  ), priority=100  , match=(reg8[[0..15]] == <cleared> && 
reg8[[16..31]] == 1), action=(reg0 = 172.168.0.101; reg1 = 172.168.0.100; eth.src = 00:00:20:20:12:13; 
outport = "lr0-public"; flags.loopback = 1; next;)
    table=??(lr_in_policy_ecmp  ), priority=100  , match=(reg8[[0..15]] == <cleared> && 
reg8[[16..31]] == 2), action=(reg0 = 172.168.0.102; reg1 = 172.168.0.100; eth.src = 00:00:20:20:12:13; 
outport = "lr0-public"; flags.loopback = 1; next;)
    table=??(lr_in_policy_ecmp  ), priority=100  , match=(reg8[[0..15]] == <cleared> && 
reg8[[16..31]] == 3), action=(reg0 = 172.168.0.103; reg1 = 172.168.0.100; eth.src = 00:00:20:20:12:13; 
outport = "lr0-public"; flags.loopback = 1; next;)
@@ -2915,6 +2919,7 @@ sed 's/reg8\[[0..15\]] = [[0-9]]*/reg8\[[0..15\]] = 
<cleared>/' | \
  sed 's/reg8\[[0..15\]] == [[0-9]]*/reg8\[[0..15\]] == <cleared>/' | sed 
's/table=../table=??/' | sort], [0], [dnl
    table=??(lr_in_policy       ), priority=0    , match=(1), action=(reg8[[0..15]] = 
<cleared>; next;)
    table=??(lr_in_policy       ), priority=10   , match=(ip4.src == 10.0.0.5), action=(reg0 = 
172.168.0.110; reg1 = 172.168.0.100; eth.src = 00:00:20:20:12:13; outport = 
"lr0-public"; flags.loopback = 1; reg8[[0..15]] = <cleared>; next;)
+  table=??(lr_in_policy_ecmp  ), priority=0    , match=(1), action=(drop;)
    table=??(lr_in_policy_ecmp  ), priority=150  , match=(reg8[[0..15]] == 
<cleared>), action=(next;)
  ])

@@ -2926,6 +2931,7 @@ AT_CHECK([grep "lr_in_policy" lr0flows3 |  \
  sed 's/reg8\[[0..15\]] = [[0-9]]*/reg8\[[0..15\]] = <cleared>/' | \
  sed 's/reg8\[[0..15\]] == [[0-9]]*/reg8\[[0..15\]] == <cleared>/' | sed 
's/table=../table=??/' | sort], [0], [dnl
    table=??(lr_in_policy       ), priority=0    , match=(1), action=(reg8[[0..15]] = 
<cleared>; next;)
+  table=??(lr_in_policy_ecmp  ), priority=0    , match=(1), action=(drop;)
    table=??(lr_in_policy_ecmp  ), priority=150  , match=(reg8[[0..15]] == 
<cleared>), action=(next;)
  ])

@@ -5750,6 +5756,7 @@ ovn-sbctl dump-flows lr0 > lr0flows
  AT_CHECK([grep -e "lr_in_ip_routing.*select" lr0flows |sort], [0], [dnl
  ])
  AT_CHECK([grep -e "lr_in_ip_routing_ecmp" lr0flows | sed 
's/table=../table=??/' |sort], [0], [dnl
+  table=??(lr_in_ip_routing_ecmp), priority=0    , match=(1), action=(drop;)
    table=??(lr_in_ip_routing_ecmp), priority=150  , match=(reg8[[0..15]] == 
0), action=(next;)
  ])

@@ -5760,6 +5767,7 @@ AT_CHECK([grep -e "lr_in_ip_routing.*select" lr0flows | 
sed 's/table=../table=??
    table=??(lr_in_ip_routing   ), priority=97   , match=(reg7 == 0 && ip4.dst 
== 1.0.0.1/32), action=(ip.ttl--; flags.loopback = 1; reg8[[0..15]] = 1; reg8[[16..31]] 
= select(1, 2);)
  ])
  AT_CHECK([grep -e "lr_in_ip_routing_ecmp" lr0flows | sed 
's/192\.168\.0\..0/192.168.0.??/' | sed 's/table=../table=??/' | sort], [0], [dnl
+  table=??(lr_in_ip_routing_ecmp), priority=0    , match=(1), action=(drop;)
    table=??(lr_in_ip_routing_ecmp), priority=100  , match=(reg8[[0..15]] == 1 && 
reg8[[16..31]] == 1), action=(reg0 = 192.168.0.??; reg1 = 192.168.0.1; eth.src = 
00:00:20:20:12:13; outport = "lr0-public"; next;)
    table=??(lr_in_ip_routing_ecmp), priority=100  , match=(reg8[[0..15]] == 1 && 
reg8[[16..31]] == 2), action=(reg0 = 192.168.0.??; reg1 = 192.168.0.1; eth.src = 
00:00:20:20:12:13; outport = "lr0-public"; next;)
    table=??(lr_in_ip_routing_ecmp), priority=150  , match=(reg8[[0..15]] == 
0), action=(next;)
@@ -5803,6 +5811,7 @@ AT_CHECK([grep -e "lr_in_ip_routing.*select" lr0flows | 
sed 's/table=../table=??
    table=??(lr_in_ip_routing   ), priority=97   , match=(reg7 == 0 && ip4.dst 
== 1.0.0.1/32), action=(ip.ttl--; flags.loopback = 1; reg8[[0..15]] = 1; reg8[[16..31]] 
= select(1, 2);)
  ])
  AT_CHECK([grep -e "lr_in_ip_routing_ecmp" lr0flows | sed 
's/192\.168\.0\..0/192.168.0.??/' | sed 's/table=../table=??/' | sort], [0], [dnl
+  table=??(lr_in_ip_routing_ecmp), priority=0    , match=(1), action=(drop;)
    table=??(lr_in_ip_routing_ecmp), priority=100  , match=(reg8[[0..15]] == 1 && 
reg8[[16..31]] == 1), action=(reg0 = 192.168.0.??; reg1 = 192.168.0.1; eth.src = 
00:00:20:20:12:13; outport = "lr0-public"; next;)
    table=??(lr_in_ip_routing_ecmp), priority=100  , match=(reg8[[0..15]] == 1 && 
reg8[[16..31]] == 2), action=(reg0 = 192.168.0.??; reg1 = 192.168.0.1; eth.src = 
00:00:20:20:12:13; outport = "lr0-public"; next;)
    table=??(lr_in_ip_routing_ecmp), priority=150  , match=(reg8[[0..15]] == 
0), action=(next;)
@@ -6881,6 +6890,7 @@ AT_CHECK([cat lrflows | grep -e lr_in_lookup_neighbor -e 
lr_in_learn_neighbor |
    table=1 (lr_in_lookup_neighbor), priority=100  , match=(arp.op == 2), 
action=(reg9[[2]] = lookup_arp(inport, arp.spa, arp.sha); next;)
    table=1 (lr_in_lookup_neighbor), priority=100  , match=(nd_na), 
action=(reg9[[2]] = lookup_nd(inport, nd.target, nd.tll); next;)
    table=1 (lr_in_lookup_neighbor), priority=100  , match=(nd_ns), 
action=(reg9[[2]] = lookup_nd(inport, ip6.src, nd.sll); next;)
+  table=2 (lr_in_learn_neighbor), priority=0    , match=(1), action=(drop;)
    table=2 (lr_in_learn_neighbor), priority=100  , match=(reg9[[2]] == 1), 
action=(next;)
    table=2 (lr_in_learn_neighbor), priority=90   , match=(arp), 
action=(put_arp(inport, arp.spa, arp.sha); next;)
    table=2 (lr_in_learn_neighbor), priority=90   , match=(nd_na), 
action=(put_nd(inport, nd.target, nd.tll); next;)
@@ -7903,3 +7913,77 @@ AT_CHECK([grep "lr_in_arp_resolve" R1flows | grep 
priority=90 | sort], [0], [dnl

  AT_CLEANUP
  ])
+
+OVN_FOR_EACH_NORTHD([
+AT_SETUP([Check default drop])
+AT_KEYWORDS([drop])
+
+# Check that there is an explicit drop lflow in all tables.
+check_default_lflow() {
+    dps=$(ovn-sbctl --bare  --columns=_uuid list Datapath_Binding | xargs)
+    for dp in $dps; do
+        for pipeline in ingress egress; do
+            for table in $(ovn-sbctl --bare --columns=table_id find Logical_Flow 
logical_datapath="$dp" pipeline="$pipeline" | xargs | sort | uniq); do
+               echo "Checking if datapath $dp pipeline $pipeline table $table has a 
default action"
+               AT_CHECK([ovn-sbctl --columns=_uuid find Logical_Flow logical_datapath="$dp" 
pipeline="$pipeline" table_id=$table match="1" priority">="0 | wc -l | tr -d "\n\r" ], 
[0], [1], [ignore],
+               [echo "Datapath $dp pipeline $pipeline table $table does not have a 
default action"])
+            done
+        done
+    done
+}
+
+ovn_start
+
+# Create LS + LR
+check ovn-nbctl --wait=sb \
+                -- lr-add R1 \
+                -- lrp-add R1 R1-S1 02:ac:10:01:00:01 172.16.1.1/24 \
+                -- ls-add S1 \
+                -- lsp-add S1 S1-R1 \
+                -- lsp-set-type S1-R1 router \
+                -- lsp-set-addresses S1-R1 02:ac:10:01:00:01 \
+                -- lsp-set-options S1-R1 router-port=R1-S1 \
+                -- lsp-add S1 p1 \
+                -- lsp-set-addresses p1 "02:ac:10:01:00:0a 172.16.1.100"
+
+check_default_lflow
+
+# Add stateless ACL
+check ovn-nbctl --wait=sb \
+                -- acl-add S1 from-lport 100 'inport=p1 && ip4' allow-stateless
+
+check_default_lflow
+
+check ovn-nbctl --wait=sb acl-del S1
+
+
+# Add stateful ACL
+check ovn-nbctl --wait=sb \
+                -- acl-add S1 from-lport 2 "udp" allow-related
+
+check_default_lflow
+
+check ovn-nbctl --wait=sb acl-del S1
+
+# Add LB
+check ovn-nbctl --wait=sb \
+    -- lb-add lb "10.0.0.1" "10.0.0.2" \
+    -- ls-lb-add S1 lb
+
+check_default_lflow
+
+# Check LB + stateless ACL
+check ovn-nbctl --wait=sb \
+                -- acl-add S1 from-lport 100 'inport=p1 && ip4' allow-stateless
+check_default_lflow
+
+check ovn-nbctl --wait=sb acl-del S1
+
+# Check LB + statelful ACL
+check ovn-nbctl --wait=sb \
+                -- acl-add S1 from-lport 2 "udp" allow-related
+
+check_default_lflow
+
+AT_CLEANUP
+])
diff --git a/tests/ovn.at b/tests/ovn.at
index 95176f131..a4cb408c8 100644
--- a/tests/ovn.at
+++ b/tests/ovn.at
@@ -12704,7 +12704,7 @@ for i in 1 2; do
      done
  done

-AT_CHECK([as hv1 ovs-ofctl dump-flows br-int |awk '/table=65/{print substr($8, 
16, length($8))}' |sort -n], [0], [dnl
+AT_CHECK([as hv1 ovs-ofctl dump-flows br-int |awk '/table=65/ && 
!/actions=drop/{print substr($8, 16, length($8))}' |sort -n], [0], [dnl
  10
  11
  ])
@@ -12713,7 +12713,7 @@ AT_CHECK([as hv1 ovs-ofctl dump-flows br-int |awk 
'/table=65/{print substr($8, 1
  as hv1
  check ovs-vsctl del-port vif01
  check ovn-nbctl --wait=hv sync
-AT_CHECK([as hv1 ovs-ofctl dump-flows br-int |awk '/table=65/{print substr($8, 
16, length($8))}' |sort -n], [0], [dnl
+AT_CHECK([as hv1 ovs-ofctl dump-flows br-int |awk '/table=65/ && 
!/actions=drop/{print substr($8, 16, length($8))}' |sort -n], [0], [dnl
  11
  ])

@@ -12721,7 +12721,7 @@ as hv1
  check ovs-vsctl add-port br-int vif01 \
      -- set Interface vif01 external-ids:iface-id=lp01
  check ovn-nbctl --wait=hv sync
-AT_CHECK([as hv1 ovs-ofctl dump-flows br-int |awk '/table=65/{print substr($8, 
16, length($8))}' |sort -n], [0], [dnl
+AT_CHECK([as hv1 ovs-ofctl dump-flows br-int |awk '/table=65/ && 
!/actions=drop/{print substr($8, 16, length($8))}' |sort -n], [0], [dnl
  2
  11
  ])
@@ -27829,7 +27829,7 @@ AT_CHECK([as hv1 ovs-ofctl dump-flows br-int | grep 
"actions=controller" | grep
  ])

  # The packet should've been dropped in the lr_in_arp_resolve stage.
-AT_CHECK([as hv1 ovs-ofctl dump-flows br-int | grep -E "table=23, n_packets=1,.* 
priority=1,ip,metadata=0x${sw_key},nw_dst=10.0.1.1 actions=drop" -c], [0], [dnl
+AT_CHECK([as hv1 ovs-ofctl dump-flows br-int | grep -E "table=23, n_packets=1,.* 
priority=2,ip,metadata=0x${sw_key},nw_dst=10.0.1.1 actions=drop" -c], [0], [dnl
  1
  ])

@@ -28585,31 +28585,36 @@ check ovn-nbctl lb-add lb-ipv4-udp 88.88.88.88:4040 
42.42.42.1:2021 udp
  check ovn-nbctl lb-add lb-ipv6-tcp [[8800::0088]]:8080 [[4200::1]]:4041 tcp
  check ovn-nbctl --wait=hv lb-add lb-ipv6-udp [[8800::0088]]:4040 
[[4200::1]]:2021 udp

-AT_CHECK([as hv1 ovs-ofctl dump-flows br-int table=68 | grep -v NXST], [1], 
[dnl
+AT_CHECK([as hv1 ovs-ofctl dump-flows br-int table=68 | ofctl_strip_all | grep 
-v NXST], [0], [dnl
+ table=68, priority=0 actions=drop
  ])

  AT_CHECK([as hv1 ovs-ofctl dump-flows br-int table=69 | grep -v NXST], [1], 
[dnl
  ])

-AT_CHECK([as hv1 ovs-ofctl dump-flows br-int table=70 | grep -v NXST], [1], 
[dnl
+AT_CHECK([as hv1 ovs-ofctl dump-flows br-int table=70 | ofctl_strip_all | grep 
-v NXST], [0], [dnl
+ table=70, priority=0 actions=drop
  ])

-AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=68 | grep -v NXST], [1], 
[dnl
+AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=68 | ofctl_strip_all | grep 
-v NXST], [0], [dnl
+ table=68, priority=0 actions=drop
  ])

  AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=69 | grep -v NXST], [1], 
[dnl
  ])

-AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=70 | grep -v NXST], [1], 
[dnl
+AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=70 | ofctl_strip_all | grep 
-v NXST], [0], [dnl
+ table=70, priority=0 actions=drop
  ])

  check ovn-nbctl --wait=hv ls-lb-add sw0 lb-ipv4-tcp

  OVS_WAIT_UNTIL(
-    [test $(as hv1 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
1]
+    [test $(as hv1 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
2]
  )

  AT_CHECK([as hv1 ovs-ofctl dump-flows br-int table=68 | ofctl_strip_all | 
grep -v NXST], [0], [dnl
+ table=68, priority=0 actions=drop
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x58585858,reg2=0x1f90/0xffff,nw_src=42.42.42.1,nw_dst=42.42.42.1,tp_dst=4041
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.88,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
  ])

@@ -28618,25 +28623,29 @@ NXST_FLOW reply (xid=0x8):
  ])

  AT_CHECK([as hv1 ovs-ofctl dump-flows br-int table=70 | ofctl_strip_all | 
grep -v NXST], [0], [dnl
+ table=70, priority=0 actions=drop
   table=70, priority=100,tcp,reg1=0x58585858,reg2=0x1f90/0xffff 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.88))
  ])

-AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=68 | grep -v NXST], [1], 
[dnl
+AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=68 | ofctl_strip_all | grep 
-v NXST], [0], [dnl
+ table=68, priority=0 actions=drop
  ])

  AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=69 | grep -v NXST], [1], 
[dnl
  ])

-AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=70 | grep -v NXST], [1], 
[dnl
+AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=70 | ofctl_strip_all | grep 
-v NXST], [0], [dnl
+ table=70, priority=0 actions=drop
  ])

  check ovn-nbctl lb-add lb-ipv4-tcp 88.88.88.90:8080 
42.42.42.42:4041,52.52.52.52:4042 tcp

  OVS_WAIT_UNTIL(
-    [test $(as hv1 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
3]
+    [test $(as hv1 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
4]
  )

  AT_CHECK([as hv1 ovs-ofctl dump-flows br-int table=68 | ofctl_strip_all | 
grep -v NXST], [0], [dnl
+ table=68, priority=0 actions=drop
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x58585858,reg2=0x1f90/0xffff,nw_src=42.42.42.1,nw_dst=42.42.42.1,tp_dst=4041
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.88,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff,nw_src=42.42.42.42,nw_dst=42.42.42.42,tp_dst=4041
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.90,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff,nw_src=52.52.52.52,nw_dst=52.52.52.52,tp_dst=4042
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.90,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
@@ -28647,17 +28656,20 @@ NXST_FLOW reply (xid=0x8):
  ])

  AT_CHECK([as hv1 ovs-ofctl dump-flows br-int table=70 | ofctl_strip_all | 
grep -v NXST], [0], [dnl
+ table=70, priority=0 actions=drop
   table=70, priority=100,tcp,reg1=0x58585858,reg2=0x1f90/0xffff 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.88))
   table=70, priority=100,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.90))
  ])

-AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=68 | grep -v NXST], [1], 
[dnl
+AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=68 | ofctl_strip_all | grep 
-v NXST], [0], [dnl
+ table=68, priority=0 actions=drop
  ])

  AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=69 | grep -v NXST], [1], 
[dnl
  ])

-AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=70 | grep -v NXST], [1], 
[dnl
+AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=70 | ofctl_strip_all | grep 
-v NXST], [0], [dnl
+ table=70, priority=0 actions=drop
  ])


@@ -28666,10 +28678,11 @@ check ovn-nbctl lsp-add sw0 sw0-p2
  OVS_WAIT_UNTIL([test x$(ovn-nbctl lsp-get-up sw0-p2) = xup])

  OVS_WAIT_UNTIL(
-    [test $(as hv2 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
3]
+    [test $(as hv2 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
4]
  )

  AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=68 | ofctl_strip_all | 
grep -v NXST], [0], [dnl
+ table=68, priority=0 actions=drop
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x58585858,reg2=0x1f90/0xffff,nw_src=42.42.42.1,nw_dst=42.42.42.1,tp_dst=4041
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.88,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff,nw_src=42.42.42.42,nw_dst=42.42.42.42,tp_dst=4041
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.90,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff,nw_src=52.52.52.52,nw_dst=52.52.52.52,tp_dst=4042
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.90,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
@@ -28679,6 +28692,7 @@ AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=69 | 
grep -v NXST], [1], [dnl
  ])

  AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=70 | ofctl_strip_all | 
grep -v NXST], [0], [dnl
+ table=70, priority=0 actions=drop
   table=70, priority=100,tcp,reg1=0x58585858,reg2=0x1f90/0xffff 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.88))
   table=70, priority=100,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.90))
  ])
@@ -28686,14 +28700,15 @@ AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=70 
| ofctl_strip_all | grep -
  check ovn-nbctl --wait=hv ls-lb-add sw0 lb-ipv4-udp

  OVS_WAIT_UNTIL(
-    [test $(as hv1 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
4]
+    [test $(as hv1 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
5]
  )

  OVS_WAIT_UNTIL(
-    [test $(as hv2 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
4]
+    [test $(as hv2 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
5]
  )

  AT_CHECK([as hv1 ovs-ofctl dump-flows br-int table=68 | ofctl_strip_all | 
grep -v NXST], [0], [dnl
+ table=68, priority=0 actions=drop
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x58585858,reg2=0x1f90/0xffff,nw_src=42.42.42.1,nw_dst=42.42.42.1,tp_dst=4041
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.88,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff,nw_src=42.42.42.42,nw_dst=42.42.42.42,tp_dst=4041
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.90,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff,nw_src=52.52.52.52,nw_dst=52.52.52.52,tp_dst=4042
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.90,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
@@ -28704,12 +28719,14 @@ AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=69 
| grep -v NXST], [1], [dnl
  ])

  AT_CHECK([as hv1 ovs-ofctl dump-flows br-int table=70 | ofctl_strip_all | 
grep -v NXST], [0], [dnl
+ table=70, priority=0 actions=drop
   table=70, priority=100,tcp,reg1=0x58585858,reg2=0x1f90/0xffff 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.88))
   table=70, priority=100,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.90))
   table=70, priority=100,udp,reg1=0x58585858,reg2=0xfc8/0xffff 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.88))
  ])

  AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=68 | ofctl_strip_all | 
grep -v NXST], [0], [dnl
+ table=68, priority=0 actions=drop
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x58585858,reg2=0x1f90/0xffff,nw_src=42.42.42.1,nw_dst=42.42.42.1,tp_dst=4041
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.88,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff,nw_src=42.42.42.42,nw_dst=42.42.42.42,tp_dst=4041
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.90,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff,nw_src=52.52.52.52,nw_dst=52.52.52.52,tp_dst=4042
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.90,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
@@ -28720,6 +28737,7 @@ AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=69 | 
grep -v NXST], [1], [dnl
  ])

  AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=70 | ofctl_strip_all | 
grep -v NXST], [0], [dnl
+ table=70, priority=0 actions=drop
   table=70, priority=100,tcp,reg1=0x58585858,reg2=0x1f90/0xffff 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.88))
   table=70, priority=100,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.90))
   table=70, priority=100,udp,reg1=0x58585858,reg2=0xfc8/0xffff 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.88))
@@ -28728,14 +28746,15 @@ AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=70 
| ofctl_strip_all | grep -
  check ovn-nbctl --wait=hv ls-lb-add sw0 lb-ipv6-tcp

  OVS_WAIT_UNTIL(
-    [test $(as hv1 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
5]
+    [test $(as hv1 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
6]
  )

  OVS_WAIT_UNTIL(
-    [test $(as hv2 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
5]
+    [test $(as hv2 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
6]
  )

  AT_CHECK([as hv1 ovs-ofctl dump-flows br-int table=68 | ofctl_strip_all | 
grep -v NXST], [0], [dnl
+ table=68, priority=0 actions=drop
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x58585858,reg2=0x1f90/0xffff,nw_src=42.42.42.1,nw_dst=42.42.42.1,tp_dst=4041
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.88,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff,nw_src=42.42.42.42,nw_dst=42.42.42.42,tp_dst=4041
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.90,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff,nw_src=52.52.52.52,nw_dst=52.52.52.52,tp_dst=4042
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.90,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
@@ -28747,6 +28766,7 @@ AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=69 | 
grep -v NXST], [1], [dnl
  ])

  AT_CHECK([as hv1 ovs-ofctl dump-flows br-int table=70 | ofctl_strip_all | 
grep -v NXST], [0], [dnl
+ table=70, priority=0 actions=drop
   table=70, priority=100,tcp,reg1=0x58585858,reg2=0x1f90/0xffff 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.88))
   table=70, priority=100,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.90))
   table=70, 
priority=100,tcp6,reg2=0x1f90/0xffff,reg4=0x88000000,reg5=0,reg6=0,reg7=0x88 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=8800::88))
@@ -28754,6 +28774,7 @@ AT_CHECK([as hv1 ovs-ofctl dump-flows br-int table=70 | 
ofctl_strip_all | grep -
  ])

  AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=68 | ofctl_strip_all | 
grep -v NXST], [0], [dnl
+ table=68, priority=0 actions=drop
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x58585858,reg2=0x1f90/0xffff,nw_src=42.42.42.1,nw_dst=42.42.42.1,tp_dst=4041
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.88,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff,nw_src=42.42.42.42,nw_dst=42.42.42.42,tp_dst=4041
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.90,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff,nw_src=52.52.52.52,nw_dst=52.52.52.52,tp_dst=4042
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.90,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
@@ -28765,6 +28786,7 @@ AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=69 | 
grep -v NXST], [1], [dnl
  ])

  AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=70 | ofctl_strip_all | 
grep -v NXST], [0], [dnl
+ table=70, priority=0 actions=drop
   table=70, priority=100,tcp,reg1=0x58585858,reg2=0x1f90/0xffff 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.88))
   table=70, priority=100,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.90))
   table=70, 
priority=100,tcp6,reg2=0x1f90/0xffff,reg4=0x88000000,reg5=0,reg6=0,reg7=0x88 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=8800::88))
@@ -28774,14 +28796,15 @@ AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=70 
| ofctl_strip_all | grep -
  check ovn-nbctl --wait=hv ls-lb-add sw0 lb-ipv6-udp

  OVS_WAIT_UNTIL(
-    [test $(as hv1 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
6]
+    [test $(as hv1 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
7]
  )

  OVS_WAIT_UNTIL(
-    [test $(as hv2 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
6]
+    [test $(as hv2 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
7]
  )

  AT_CHECK([as hv1 ovs-ofctl dump-flows br-int table=68 | ofctl_strip_all | 
grep -v NXST], [0], [dnl
+ table=68, priority=0 actions=drop
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x58585858,reg2=0x1f90/0xffff,nw_src=42.42.42.1,nw_dst=42.42.42.1,tp_dst=4041
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.88,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff,nw_src=42.42.42.42,nw_dst=42.42.42.42,tp_dst=4041
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.90,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff,nw_src=52.52.52.52,nw_dst=52.52.52.52,tp_dst=4042
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.90,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
@@ -28794,6 +28817,7 @@ AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=69 | 
grep -v NXST], [1], [dnl
  ])

  AT_CHECK([as hv1 ovs-ofctl dump-flows br-int table=70 | ofctl_strip_all | 
grep -v NXST], [0], [dnl
+ table=70, priority=0 actions=drop
   table=70, priority=100,tcp,reg1=0x58585858,reg2=0x1f90/0xffff 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.88))
   table=70, priority=100,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.90))
   table=70, 
priority=100,tcp6,reg2=0x1f90/0xffff,reg4=0x88000000,reg5=0,reg6=0,reg7=0x88 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=8800::88))
@@ -28802,6 +28826,7 @@ AT_CHECK([as hv1 ovs-ofctl dump-flows br-int table=70 | 
ofctl_strip_all | grep -
  ])

  AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=68 | ofctl_strip_all | 
grep -v NXST], [0], [dnl
+ table=68, priority=0 actions=drop
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x58585858,reg2=0x1f90/0xffff,nw_src=42.42.42.1,nw_dst=42.42.42.1,tp_dst=4041
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.88,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff,nw_src=42.42.42.42,nw_dst=42.42.42.42,tp_dst=4041
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.90,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff,nw_src=52.52.52.52,nw_dst=52.52.52.52,tp_dst=4042
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.90,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
@@ -28814,6 +28839,7 @@ AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=69 | 
grep -v NXST], [1], [dnl
  ])

  AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=70 | ofctl_strip_all | 
grep -v NXST], [0], [dnl
+ table=70, priority=0 actions=drop
   table=70, priority=100,tcp,reg1=0x58585858,reg2=0x1f90/0xffff 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.88))
   table=70, priority=100,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.90))
   table=70, 
priority=100,tcp6,reg2=0x1f90/0xffff,reg4=0x88000000,reg5=0,reg6=0,reg7=0x88 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=8800::88))
@@ -28826,14 +28852,15 @@ check ovn-nbctl --wait=hv ls-lb-add sw1 lb-ipv6-udp
  # Number of hairpin flows shouldn't change as it doesn't depend on how many
  # datapaths the LB is applied.
  OVS_WAIT_UNTIL(
-    [test $(as hv1 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
6]
+    [test $(as hv1 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
7]
  )

  OVS_WAIT_UNTIL(
-    [test $(as hv2 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
6]
+    [test $(as hv2 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
7]
  )

  AT_CHECK([as hv1 ovs-ofctl dump-flows br-int table=68 | ofctl_strip_all | 
grep -v NXST], [0], [dnl
+ table=68, priority=0 actions=drop
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x58585858,reg2=0x1f90/0xffff,nw_src=42.42.42.1,nw_dst=42.42.42.1,tp_dst=4041
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.88,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff,nw_src=42.42.42.42,nw_dst=42.42.42.42,tp_dst=4041
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.90,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff,nw_src=52.52.52.52,nw_dst=52.52.52.52,tp_dst=4042
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.90,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
@@ -28846,6 +28873,7 @@ AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=69 | 
grep -v NXST], [1], [dnl
  ])

  AT_CHECK([as hv1 ovs-ofctl dump-flows br-int table=70 | ofctl_strip_all | 
grep -v NXST], [0], [dnl
+ table=70, priority=0 actions=drop
   table=70, priority=100,tcp,reg1=0x58585858,reg2=0x1f90/0xffff 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.88))
   table=70, priority=100,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.90))
   table=70, 
priority=100,tcp6,reg2=0x1f90/0xffff,reg4=0x88000000,reg5=0,reg6=0,reg7=0x88 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=8800::88))
@@ -28854,6 +28882,7 @@ AT_CHECK([as hv1 ovs-ofctl dump-flows br-int table=70 | 
ofctl_strip_all | grep -
  ])

  AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=68 | ofctl_strip_all | 
grep -v NXST], [0], [dnl
+ table=68, priority=0 actions=drop
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x58585858,reg2=0x1f90/0xffff,nw_src=42.42.42.1,nw_dst=42.42.42.1,tp_dst=4041
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.88,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff,nw_src=42.42.42.42,nw_dst=42.42.42.42,tp_dst=4041
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.90,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff,nw_src=52.52.52.52,nw_dst=52.52.52.52,tp_dst=4042
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.90,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
@@ -28866,6 +28895,7 @@ AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=69 | 
grep -v NXST], [1], [dnl
  ])

  AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=70 | ofctl_strip_all | 
grep -v NXST], [0], [dnl
+ table=70, priority=0 actions=drop
   table=70, priority=100,tcp,reg1=0x58585858,reg2=0x1f90/0xffff 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.88))
   table=70, priority=100,tcp,reg1=0x5858585a,reg2=0x1f90/0xffff 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.90))
   table=70, 
priority=100,tcp6,reg2=0x1f90/0xffff,reg4=0x88000000,reg5=0,reg6=0,reg7=0x88 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=8800::88))
@@ -28887,6 +28917,7 @@ check ovn-sbctl \
      -- remove load_balancer lb-ipv6-udp options hairpin_orig_tuple

  OVS_WAIT_FOR_OUTPUT([as hv1 ovs-ofctl dump-flows br-int table=68 | 
ofctl_strip_all | grep -v NXST], [0], [dnl
+ table=68, priority=0 actions=drop
   table=68, 
priority=100,ct_state=+trk+dnat,ct_mark=0x2/0x2,ct_ipv6_dst=8800::88,ct_nw_proto=17,ct_tp_dst=4040,udp6,ipv6_src=4200::1,ipv6_dst=4200::1,tp_dst=2021
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x86dd,NXM_NX_IPV6_SRC[[]],ipv6_dst=8800::88,nw_proto=17,NXM_OF_UDP_SRC[[]]=NXM_OF_UDP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_state=+trk+dnat,ct_mark=0x2/0x2,ct_ipv6_dst=8800::88,ct_nw_proto=6,ct_tp_dst=8080,tcp6,ipv6_src=4200::1,ipv6_dst=4200::1,tp_dst=4041
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x86dd,NXM_NX_IPV6_SRC[[]],ipv6_dst=8800::88,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_state=+trk+dnat,ct_mark=0x2/0x2,ct_nw_dst=88.88.88.88,ct_nw_proto=17,ct_tp_dst=4040,udp,nw_src=42.42.42.1,nw_dst=42.42.42.1,tp_dst=2021
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.88,nw_proto=17,NXM_OF_UDP_SRC[[]]=NXM_OF_UDP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
@@ -28899,6 +28930,7 @@ AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=69 | 
grep -v NXST], [1], [dnl
  ])

  OVS_WAIT_FOR_OUTPUT([as hv1 ovs-ofctl dump-flows br-int table=70 | 
ofctl_strip_all | grep -v NXST], [0], [dnl
+ table=70, priority=0 actions=drop
   table=70, 
priority=100,ct_state=+trk+dnat,ct_ipv6_dst=8800::88,ct_nw_proto=17,ct_tp_dst=4040,udp6
 actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=8800::88))
   table=70, 
priority=100,ct_state=+trk+dnat,ct_ipv6_dst=8800::88,ct_nw_proto=6,ct_tp_dst=8080,tcp6
 actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=8800::88))
   table=70, 
priority=100,ct_state=+trk+dnat,ct_nw_dst=88.88.88.88,ct_nw_proto=17,ct_tp_dst=4040,udp
 actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.88))
@@ -28907,6 +28939,7 @@ OVS_WAIT_FOR_OUTPUT([as hv1 ovs-ofctl dump-flows br-int 
table=70 | ofctl_strip_a
  ])

  OVS_WAIT_FOR_OUTPUT([as hv2 ovs-ofctl dump-flows br-int table=68 | 
ofctl_strip_all | grep -v NXST], [0], [dnl
+ table=68, priority=0 actions=drop
   table=68, 
priority=100,ct_state=+trk+dnat,ct_mark=0x2/0x2,ct_ipv6_dst=8800::88,ct_nw_proto=17,ct_tp_dst=4040,udp6,ipv6_src=4200::1,ipv6_dst=4200::1,tp_dst=2021
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x86dd,NXM_NX_IPV6_SRC[[]],ipv6_dst=8800::88,nw_proto=17,NXM_OF_UDP_SRC[[]]=NXM_OF_UDP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_state=+trk+dnat,ct_mark=0x2/0x2,ct_ipv6_dst=8800::88,ct_nw_proto=6,ct_tp_dst=8080,tcp6,ipv6_src=4200::1,ipv6_dst=4200::1,tp_dst=4041
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x86dd,NXM_NX_IPV6_SRC[[]],ipv6_dst=8800::88,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_state=+trk+dnat,ct_mark=0x2/0x2,ct_nw_dst=88.88.88.88,ct_nw_proto=17,ct_tp_dst=4040,udp,nw_src=42.42.42.1,nw_dst=42.42.42.1,tp_dst=2021
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.88,nw_proto=17,NXM_OF_UDP_SRC[[]]=NXM_OF_UDP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
@@ -28919,6 +28952,7 @@ AT_CHECK([as hv2 ovs-ofctl dump-flows br-int table=69 | 
grep -v NXST], [1], [dnl
  ])

  OVS_WAIT_FOR_OUTPUT([as hv2 ovs-ofctl dump-flows br-int table=70 | 
ofctl_strip_all | grep -v NXST], [0], [dnl
+ table=70, priority=0 actions=drop
   table=70, 
priority=100,ct_state=+trk+dnat,ct_ipv6_dst=8800::88,ct_nw_proto=17,ct_tp_dst=4040,udp6
 actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=8800::88))
   table=70, 
priority=100,ct_state=+trk+dnat,ct_ipv6_dst=8800::88,ct_nw_proto=6,ct_tp_dst=8080,tcp6
 actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=8800::88))
   table=70, 
priority=100,ct_state=+trk+dnat,ct_nw_dst=88.88.88.88,ct_nw_proto=17,ct_tp_dst=4040,udp
 actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.88))
@@ -28938,7 +28972,7 @@ OVS_WAIT_UNTIL([test x$(ovn-nbctl lsp-get-up sw0-p2) = 
xdown])
  as hv2 ovn-appctl -t ovn-controller recompute

  OVS_WAIT_UNTIL(
-    [test $(as hv2 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
0]
+    [test $(as hv2 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
1]
  )

  OVS_WAIT_UNTIL(
@@ -28946,24 +28980,25 @@ OVS_WAIT_UNTIL(
  )

  OVS_WAIT_UNTIL(
-    [test $(as hv2 ovs-ofctl dump-flows br-int table=70 | grep -c -v NXST) -eq 
0]
+    [test $(as hv2 ovs-ofctl dump-flows br-int table=70 | grep -c -v NXST) -eq 
1]
  )

  OVS_WAIT_UNTIL(
-    [test $(as hv1 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
6]
+    [test $(as hv1 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
7]
  )

  check ovn-nbctl --wait=hv lb-del lb-ipv4-tcp

  OVS_WAIT_UNTIL(
-    [test $(as hv1 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
3]
+    [test $(as hv1 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
4]
  )

  OVS_WAIT_UNTIL(
-    [test $(as hv2 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
0]
+    [test $(as hv2 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
1]
  )

  AT_CHECK([as hv1 ovs-ofctl dump-flows br-int table=68 | ofctl_strip_all | 
grep -v NXST], [0], [dnl
+ table=68, priority=0 actions=drop
   table=68, 
priority=100,ct_mark=0x2/0x2,tcp6,reg2=0x1f90/0xffff,reg4=0x88000000,reg5=0,reg6=0,reg7=0x88,ipv6_src=4200::1,ipv6_dst=4200::1,tp_dst=4041
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x86dd,NXM_NX_IPV6_SRC[[]],ipv6_dst=8800::88,nw_proto=6,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_mark=0x2/0x2,udp,reg1=0x58585858,reg2=0xfc8/0xffff,nw_src=42.42.42.1,nw_dst=42.42.42.1,tp_dst=2021
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x800,NXM_OF_IP_SRC[[]],ip_dst=88.88.88.88,nw_proto=17,NXM_OF_UDP_SRC[[]]=NXM_OF_UDP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
   table=68, 
priority=100,ct_mark=0x2/0x2,udp6,reg2=0xfc8/0xffff,reg4=0x88000000,reg5=0,reg6=0,reg7=0x88,ipv6_src=4200::1,ipv6_dst=4200::1,tp_dst=2021
 
actions=load:0x1->NXM_NX_REG10[[7]],learn(table=69,delete_learned,OXM_OF_METADATA[[]],eth_type=0x86dd,NXM_NX_IPV6_SRC[[]],ipv6_dst=8800::88,nw_proto=17,NXM_OF_UDP_SRC[[]]=NXM_OF_UDP_DST[[]],load:0x1->NXM_NX_REG10[[7]])
@@ -28974,6 +29009,7 @@ NXST_FLOW reply (xid=0x8):
  ])

  AT_CHECK([as hv1 ovs-ofctl dump-flows br-int table=70 | ofctl_strip_all | 
grep -v NXST], [0], [dnl
+ table=70, priority=0 actions=drop
   table=70, 
priority=100,tcp6,reg2=0x1f90/0xffff,reg4=0x88000000,reg5=0,reg6=0,reg7=0x88 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=8800::88))
   table=70, priority=100,udp,reg1=0x58585858,reg2=0xfc8/0xffff 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=88.88.88.88))
   table=70, 
priority=100,udp6,reg2=0xfc8/0xffff,reg4=0x88000000,reg5=0,reg6=0,reg7=0x88 
actions=ct(commit,zone=NXM_NX_REG12[[0..15]],nat(src=8800::88))
@@ -28983,7 +29019,7 @@ check ovn-nbctl --wait=hv ls-del sw0
  check ovn-nbctl --wait=hv ls-del sw1

  OVS_WAIT_UNTIL(
-    [test $(as hv1 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
0]
+    [test $(as hv1 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
1]
  )

  OVS_WAIT_UNTIL(
@@ -28991,11 +29027,11 @@ OVS_WAIT_UNTIL(
  )

  OVS_WAIT_UNTIL(
-    [test $(as hv1 ovs-ofctl dump-flows br-int table=70 | grep -c -v NXST) -eq 
0]
+    [test $(as hv1 ovs-ofctl dump-flows br-int table=70 | grep -c -v NXST) -eq 
1]
  )

  OVS_WAIT_UNTIL(
-    [test $(as hv2 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
0]
+    [test $(as hv2 ovs-ofctl dump-flows br-int table=68 | grep -c -v NXST) -eq 
1]
  )

  OVS_WAIT_UNTIL(
@@ -29003,7 +29039,7 @@ OVS_WAIT_UNTIL(
  )

  OVS_WAIT_UNTIL(
-    [test $(as hv2 ovs-ofctl dump-flows br-int table=70 | grep -c -v NXST) -eq 
0]
+    [test $(as hv2 ovs-ofctl dump-flows br-int table=70 | grep -c -v NXST) -eq 
1]
  )

  OVN_CLEANUP([hv1], [hv2])
@@ -33000,3 +33036,159 @@ check ovn-nbctl --wait=hv sync
  OVN_CLEANUP([hv1])
  AT_CLEANUP
  ])
+
+OVN_FOR_EACH_NORTHD([
+AT_SETUP([Check default openflow flows])
+ovn_start
+
+# Check that every table has a default (i.e: priority=0) flow.
+# Technically a default flow would have no match but we allow the datapath
+# match (metadata=0xXX) to be present.
+check_default_flows() {
+    ovs-ofctl dump-flows br-int > oflows
+    AT_CAPTURE_FILE([oflows])
+    for table in $(grep -oP "table=\K\d*, " oflows | sort -n | uniq); do
+        AT_CHECK([grep -qe "table=$table.* priority=0\(,metadata=0x\w*\)\? actions" 
oflows], [0], [ignore], [ignore], [echo "Table $table does not contain a default action"])
+    done
+}
+
+# Logical network:
+# Two LRs - R1 and R2 that are connected to each other as peers in 20.0.0.0/24
+# network. R1 has a switchs ls1 (191.168.1.0/24) connected to it.
+# R2 has ls2 (172.16.1.0/24) connected to it.
+
+ls1_lp1_mac="f0:00:00:01:02:03"
+rp_ls1_mac="00:00:00:01:02:03"
+rp_ls2_mac="00:00:00:01:02:04"
+ls2_lp1_mac="f0:00:00:01:02:04"
+
+ls1_lp1_ip="192.168.1.2"
+ls2_lp1_ip="172.16.1.2"
+
+ovn-nbctl lr-add R1
+ovn-nbctl ls-add ls1
+ovn-nbctl ls-add ls2
+
+# Connect ls1 to R1
+ovn-nbctl lrp-add R1 ls1 $rp_ls1_mac 192.168.1.1/24
+
+ovn-nbctl lsp-add ls1 rp-ls1 -- set Logical_Switch_Port rp-ls1 type=router \
+  options:router-port=ls1 addresses=\"$rp_ls1_mac\"
+
+# Connect ls2 to R1
+ovn-nbctl lrp-add R1 ls2 $rp_ls2_mac 172.16.1.1/24
+
+ovn-nbctl lsp-add ls2 rp-ls2 -- set Logical_Switch_Port rp-ls2 type=router \
+  options:router-port=ls2 addresses=\"$rp_ls2_mac\"
+
+# Create logical port ls1-lp1 in ls1
+ovn-nbctl lsp-add ls1 ls1-lp1 \
+-- lsp-set-addresses ls1-lp1 "$ls1_lp1_mac $ls1_lp1_ip"
+
+# Create logical port ls2-lp1 in ls2
+ovn-nbctl lsp-add ls2 ls2-lp1 \
+-- lsp-set-addresses ls2-lp1 "$ls2_lp1_mac $ls2_lp1_ip"
+
+# Create two hypervisor and create OVS ports corresponding to logical ports.
+net_add n1
+
+sim_add hv1
+as hv1
+ovs-vsctl add-br br-phys
+ovn_attach n1 br-phys 192.168.0.1
+ovs-vsctl -- add-port br-int hv1-vif1 -- \
+    set interface hv1-vif1 external-ids:iface-id=ls1-lp1 \
+    options:tx_pcap=hv1/vif1-tx.pcap \
+    options:rxq_pcap=hv1/vif1-rx.pcap \
+    ofport-request=1
+
+sim_add hv2
+as hv2
+ovs-vsctl add-br br-phys
+ovn_attach n1 br-phys 192.168.0.2
+ovs-vsctl -- add-port br-int hv2-vif1 -- \
+    set interface hv2-vif1 external-ids:iface-id=ls2-lp1 \
+    options:tx_pcap=hv2/vif1-tx.pcap \
+    options:rxq_pcap=hv2/vif1-rx.pcap \
+    ofport-request=1
+
+
+# Allow some time for ovn-northd and ovn-controller to catch up.
+wait_for_ports_up
+check ovn-nbctl --wait=hv sync
+
+as hv1
+check_default_flows
+as hv2
+check_default_flows
+
+# Add stateless ACL
+check ovn-nbctl --wait=sb \
+                -- acl-add ls1 from-lport 100 'ip4' allow-stateless
+check ovn-nbctl --wait=sb \
+                -- acl-add ls2 from-lport 100 'ip4' allow-stateless
+
+as hv1
+check_default_flows
+as hv2
+check_default_flows
+
+check ovn-nbctl --wait=sb acl-del ls1
+check ovn-nbctl --wait=sb acl-del ls2
+
+# Add stateful ACL
+check ovn-nbctl --wait=sb \
+                -- acl-add ls1 from-lport 100 "udp" allow-related
+check ovn-nbctl --wait=sb \
+                -- acl-add ls2 from-lport 100 "udp" allow-related
+
+as hv1
+check_default_flows
+as hv2
+check_default_flows
+
+check ovn-nbctl --wait=sb acl-del ls1
+check ovn-nbctl --wait=sb acl-del ls2
+
+# Add LB
+check ovn-nbctl --wait=sb \
+    -- lb-add lb1 "10.0.0.1" "10.0.0.2" \
+    -- ls-lb-add ls1 lb1
+
+check ovn-nbctl --wait=sb \
+    -- lb-add lb2 "10.0.1.1" "10.0.1.2" \
+    -- ls-lb-add ls2 lb2
+
+as hv1
+check_default_flows
+as hv2
+check_default_flows
+
+# LB + stateless ACL
+check ovn-nbctl --wait=sb \
+                -- acl-add ls1 from-lport 100 'ip4' allow-stateless
+check ovn-nbctl --wait=sb \
+                -- acl-add ls2 from-lport 100 'ip4' allow-stateless
+
+as hv1
+check_default_flows
+as hv2
+check_default_flows
+
+check ovn-nbctl --wait=sb acl-del ls1
+check ovn-nbctl --wait=sb acl-del ls2
+
+# LB + stateful ACL
+check ovn-nbctl --wait=sb \
+                -- acl-add ls1 from-lport 100 "udp" allow-related
+check ovn-nbctl --wait=sb \
+                -- acl-add ls2 from-lport 100 "udp" allow-related
+
+as hv1
+check_default_flows
+as hv2
+check_default_flows
+
+OVN_CLEANUP([hv1],[hv2])
+AT_CLEANUP
+])
--
2.37.3

_______________________________________________
dev mailing list
[email protected]
https://mail.openvswitch.org/mailman/listinfo/ovs-dev



--
Adrián Moreno

_______________________________________________
dev mailing list
[email protected]
https://mail.openvswitch.org/mailman/listinfo/ovs-dev

Reply via email to