On Sun, May 17, 2026 at 8:54 PM JayGue Lee <[email protected]> wrote:
>
> Load_Balancer health checks were silently failing for baremetal pool
> members whose backend Logical_Switch_Port has type=external on a
> Logical_Switch that has a localnet port (typical for Neutron and the
> ovn-octavia-provider baremetal driver on a provider VLAN).
>
> When the controller emits a health-check probe it stamps the source
> MAC with $svc_monitor_mac (or the LRP MAC) and sends it out the LRP.
> The reply from the baremetal member re-enters br-int via the localnet
> port, so at S_SWITCH_IN_L2_LKUP MFF_LOG_INPORT carries the localnet
> LSP's tunnel_key, not the backend LSP's. The per-backend reply
> lflow's match "inport == <backend> && ..." never fires, and even the
> generic per-LS "eth.dst == $svc_monitor_mac" lflow that calls
> handle_svc_check(inport) feeds pinctrl the localnet tunnel_key,
> which pinctrl_find_svc_monitor() cannot resolve to a service monitor.
> The CMS therefore concludes the member is down.
>
> Fix the issue inside the logical switch ingress pipeline at the
> earliest possible stage so that every downstream lflow (HM reply,
> ARP responder, DHCP, FDB, ACL, ...) observes a sensible inport for
> the external LSP, as suggested by Numan Siddique.
>
> For each external LSP that lives on a switch with a localnet port,
> install a new lflow at S_SWITCH_IN_CHECK_PORT_SEC priority 75:
> match : inport == <localnet_port> && eth.src == <external_mac>
> action: flags.localnet = 1; inport = <external_lsp>; next;
>
> The match is specific enough (combined eth.src + localnet inport)
> that it does not affect any other localnet traffic. Setting
> flags.localnet here preserves the semantics that
> build_lswitch_from_localnet_op() and build_lswitch_learn_fdb_op()
> previously provided at S_SWITCH_IN_LOOKUP_FDB, which would no longer
> fire for external-LSP-sourced packets after the rewrite.
>
> With this rewrite in place:
>
> * The original per-backend HM reply lflow at S_SWITCH_IN_L2_LKUP
> ("inport == <backend>" / "handle_svc_check(inport);") works
> without modification.
> * The generic per-LS "eth.dst == $svc_monitor_mac" lflow uses the
> backend LSP's tunnel_key when calling handle_svc_check(inport),
> so pinctrl_find_svc_monitor() succeeds for the
> $svc_monitor_mac-sourced probe case as well.
>
> Two follow-on adjustments are required because they depended on
> MFF_LOG_INPORT being the localnet port for external-LSP traffic:
>
> * build_lswitch_dhcp_options_and_response() now calls
> build_dhcpv4/v6_options_flows() with op (the external LSP) as
> the inport for is_external, eliminating the previous
> per-localnet-port enumeration.
> * build_drop_arp_nd_flows_for_unbound_router_ports() now matches
> on op->json_key (the external LSP) instead of the localnet
> port.
>
> tests/ovn-northd.at gains a unit test that exercises a regular VIF
> backend on a tenant LS and a type=external backend on a provider LS
> with a localnet, asserting the original HM reply lflow forms and the
> new inport-rewrite lflow.
>
> tests/ovn.at "external logical port" is updated to assert that the
> DHCPv4/v6 controller OF flows installed for an external port carry
> reg14 == external_lsp_key (the rewritten inport), not the localnet
> port's key.
>
> Signed-off-by: JayGue Lee <[email protected]>
Hi JayGue Lee,
I ddn't get a chance to look into the patch in detail.
I've a few comments:
1. Can you please provide relevant documentation for the logical flows
in - Documentation/ref/ovn-logical-flows.7.rst
2. Also can you remove the reference to my name in the commit message
and "Suggested-by" tags perhaps and also
remove the reference (Numan-alt) from the code comments :)
Thanks
Numan
> ---
> NEWS | 12 +++++
> northd/northd.c | 96 +++++++++++++++++++++++++++++---------
> tests/ovn-northd.at | 111 ++++++++++++++++++++++++++++++++++++++++++++
> tests/ovn.at | 16 +++++--
> 4 files changed, 207 insertions(+), 28 deletions(-)
>
> diff --git a/NEWS b/NEWS
> index 68cdbff..b5f514d 100644
> --- a/NEWS
> +++ b/NEWS
> @@ -6,6 +6,18 @@ Post v26.03.0
> * Add ECMP/multi-homing support for EVPN FDB entries. FDB entries
> backed by a kernel nexthop group are load-balanced via OpenFlow
> select groups with weighted buckets.
> + - Fixed Load_Balancer health check replies failing silently for
> + baremetal pool members whose backend LSP is type=external on a
> + Logical_Switch that has a localnet port. ovn-northd now installs
> + an early inport-rewrite lflow at ls_in_check_port_sec that
> + substitutes MFF_LOG_INPORT from the localnet port to the external
> + LSP when eth.src matches the external port's MAC, so every
> + downstream pipeline stage (including the per-backend HM reply
> + lflow and the generic per-LS svc_monitor_mac lflow) observes
> + inport == <external_lsp> and pinctrl_find_svc_monitor() succeeds.
> + The DHCP and unbound-router ARP/ND drop lflows for external
> + ports were updated to key on the external LSP's inport
> + accordingly.
>
> OVN v26.03.0 - xxx xx xxxx
> --------------------------
> diff --git a/northd/northd.c b/northd/northd.c
> index 8305e04..9d889ae 100644
> --- a/northd/northd.c
> +++ b/northd/northd.c
> @@ -8876,7 +8876,7 @@ build_lb_health_check_response_lflows(
> const struct ovn_datapaths *lr_datapaths,
> const struct shash *meter_groups,
> struct ds *match,
> - struct ds *action)
> + struct ds *action OVS_UNUSED)
> {
> /* For each LB backend that is monitored by a source_ip belonging
> * to a real LRP, install rule that punts service check replies to the
> @@ -8923,7 +8923,6 @@ build_lb_health_check_response_lflows(
> }
>
> ds_clear(match);
> - ds_clear(action);
>
> /* icmp6 type 1 and icmp4 type 3 are included in the match,
> because
> * the controller is using them to detect unreachable ports. */
> @@ -10100,6 +10099,13 @@
> build_drop_arp_nd_flows_for_unbound_router_ports(struct ovn_port *op,
> {
> struct ds match = DS_EMPTY_INITIALIZER;
>
> + /* v6 (Numan-alt): with the early inport rewrite installed at
> + * S_SWITCH_IN_CHECK_PORT_SEC, packets from the external LSP arrive
> + * here with MFF_LOG_INPORT == op (the external LSP), not the
> + * localnet port (which was the value at table 0). The match is
> + * therefore keyed on op->json_key. The 'port' (localnet) argument
> + * is still used for incremental processing tagging through
> + * WITH_IO_PORT below. */
> for (size_t i = 0; i < op->n_lsp_addrs; i++) {
> struct ovn_port *rp;
> VECTOR_FOR_EACH (&op->od->router_ports, rp) {
> @@ -10110,7 +10116,7 @@
> build_drop_arp_nd_flows_for_unbound_router_ports(struct ovn_port *op,
> &match, "inport == %s && eth.src == %s"
> " && !is_chassis_resident(%s)"
> " && arp.tpa == %s && arp.op == 1",
> - port->json_key,
> + op->json_key,
> op->lsp_addrs[i].ea_s, op->json_key,
> rp->lsp_addrs[k].ipv4_addrs[l].addr_s);
> ovn_lflow_add(lflows, op->od, S_SWITCH_IN_EXTERNAL_PORT,
> @@ -10126,7 +10132,7 @@
> build_drop_arp_nd_flows_for_unbound_router_ports(struct ovn_port *op,
> &match, "inport == %s && eth.src == %s"
> " && !is_chassis_resident(%s)"
> " && nd_ns && ip6.dst == {%s, %s} && nd.target ==
> %s",
> - port->json_key,
> + op->json_key,
> op->lsp_addrs[i].ea_s, op->json_key,
> rp->lsp_addrs[k].ipv6_addrs[l].addr_s,
> rp->lsp_addrs[k].ipv6_addrs[l].sn_addr_s,
> @@ -10144,7 +10150,7 @@
> build_drop_arp_nd_flows_for_unbound_router_ports(struct ovn_port *op,
> &match, "inport == %s && eth.src == %s"
> " && eth.dst == %s"
> " && !is_chassis_resident(%s)",
> - port->json_key,
> + op->json_key,
> op->lsp_addrs[i].ea_s, rp->lsp_addrs[k].ea_s,
> op->json_key);
> ovn_lflow_add(lflows, op->od, S_SWITCH_IN_EXTERNAL_PORT, 100,
> @@ -10929,24 +10935,21 @@ build_lswitch_dhcp_options_and_response(struct
> ovn_port *op,
> }
>
> for (size_t i = 0; i < op->n_lsp_addrs; i++) {
> - if (is_external) {
> - struct ovn_port *lp;
> - VECTOR_FOR_EACH (&op->od->localnet_ports, lp) {
> - build_dhcpv4_options_flows(
> - op, &op->lsp_addrs[i], lp, is_external,
> - meter_groups, lflows, op->lflow_ref);
> - build_dhcpv6_options_flows(
> - op, &op->lsp_addrs[i], lp, is_external,
> - meter_groups, lflows, op->lflow_ref);
> - }
> - } else {
> - build_dhcpv4_options_flows(op, &op->lsp_addrs[i], op,
> - is_external, meter_groups,
> - lflows, op->lflow_ref);
> - build_dhcpv6_options_flows(op, &op->lsp_addrs[i], op,
> - is_external, meter_groups,
> - lflows, op->lflow_ref);
> - }
> + /* v6 (Numan-alt): for both regular VIF and type=external LSPs we
> + * now pass the LSP itself (op) as the inport. For external
> + * ports, the inport rewrite added in
> + * build_lswitch_external_lsp_inport_rewrite() at
> + * S_SWITCH_IN_CHECK_PORT_SEC has already substituted
> + * MFF_LOG_INPORT from the localnet port to the external LSP by
> + * the time we reach S_SWITCH_IN_DHCP_OPTIONS. So a single set
> + * of dhcp lflows keyed on the external LSP is enough; we no
> + * longer need to enumerate every localnet port. */
> + build_dhcpv4_options_flows(op, &op->lsp_addrs[i], op,
> + is_external, meter_groups,
> + lflows, op->lflow_ref);
> + build_dhcpv6_options_flows(op, &op->lsp_addrs[i], op,
> + is_external, meter_groups,
> + lflows, op->lflow_ref);
> }
> }
>
> @@ -11025,6 +11028,52 @@ build_lswitch_external_port(struct ovn_port *op,
> }
> }
>
> +/* PoC v6 (Numan-alt): for each external LSP on a switch with a
> + * localnet port, rewrite MFF_LOG_INPORT from the localnet port to the
> + * external LSP when eth.src matches one of the external port's MACs.
> + * This makes downstream stages observe inport == <external_lsp> for
> + * traffic originating from that baremetal MAC. Intentionally placed
> + * at S_SWITCH_IN_CHECK_PORT_SEC priority 75 so it fires before the
> + * existing priority-70 generic port-sec rules but does not collide
> + * with the priority-100 disabled-port drop. */
> +static void
> +build_lswitch_external_lsp_inport_rewrite(struct ovn_port *op,
> + struct lflow_table *lflows,
> + struct ds *match,
> + struct ds *actions)
> +{
> + ovs_assert(op->nbsp);
> + if (!lsp_is_external(op->nbsp)) {
> + return;
> + }
> + if (!ls_has_localnet_port(op->od)) {
> + return;
> + }
> + /* v6 (Numan-alt) Phase 4: also set flags.localnet here. The
> + * existing S_SWITCH_IN_LOOKUP_FDB lflow generated by
> + * build_lswitch_learn_fdb_op() sets flags.localnet = 1 only when
> + * inport == <localnet> at that table; once we have rewritten
> + * inport to the external LSP, that match no longer fires. Copy
> + * the assignment into our rewrite action so downstream stages
> + * keyed on flags.localnet == 1 (e.g. some HM reply matches in the
> + * pre-v5 codebase) continue to work for the external LSP case. */
> + struct ovn_port *lp;
> + VECTOR_FOR_EACH (&op->od->localnet_ports, lp) {
> + for (size_t i = 0; i < op->n_lsp_addrs; i++) {
> + ds_clear(match);
> + ds_clear(actions);
> + ds_put_format(match, "inport == %s && eth.src == %s",
> + lp->json_key, op->lsp_addrs[i].ea_s);
> + ds_put_format(actions,
> + "flags.localnet = 1; inport = %s; next;",
> + op->json_key);
> + ovn_lflow_add(lflows, op->od, S_SWITCH_IN_CHECK_PORT_SEC, 75,
> + ds_cstr(match), ds_cstr(actions),
> + op->lflow_ref);
> + }
> + }
> +}
> +
> /* Ingress table 30: Destination lookup, broadcast and multicast handling
> * (priority 70 - 100). */
> static void
> @@ -19583,6 +19632,7 @@ build_lswitch_and_lrouter_iterate_by_lsp(struct
> ovn_port *op,
> meter_groups, actions, match);
> build_lswitch_dhcp_options_and_response(op, lflows, meter_groups);
> build_lswitch_external_port(op, lflows);
> + build_lswitch_external_lsp_inport_rewrite(op, lflows, match, actions);
> build_lswitch_icmp_packet_toobig_admin_flows(op, lflows, match, actions);
> build_lswitch_ip_unicast_lookup(op, lflows, actions,
> match);
> diff --git a/tests/ovn-northd.at b/tests/ovn-northd.at
> index 074b152..dee022c 100644
> --- a/tests/ovn-northd.at
> +++ b/tests/ovn-northd.at
> @@ -1687,6 +1687,117 @@ OVN_CLEANUP_NORTHD
> AT_CLEANUP
> ])
>
> +OVN_FOR_EACH_NORTHD_NO_HV_PARALLELIZATION([
> +AT_SETUP([Load balancer health check reply lflow for type=external backend
> on localnet LS])
> +ovn_start
> +
> +# Topology:
> +#
> +# lr0 --(lr0-sw0)-- sw0 (regular tenant LS, 10.0.0.0/24)
> +# `-- vm-port (type="", regular VIF backend)
> +#
> +# lr0 --(lr0-prov)-- prov (provider LS with localnet)
> +# |-- prov-localnet (type=localnet)
> +# `-- bm-port (type=external, baremetal pool member)
> +#
> +# A baremetal LB pool member's LSP is type=external; replies to HM probes
> +# re-enter br-int via the localnet port, so MFF_LOG_INPORT carries the
> +# localnet LSP's tunnel_key and the original
> +# "inport == <bm-port> && ... ; handle_svc_check(inport);"
> +# reply lflow never matches. pinctrl_find_svc_monitor() is keyed on
> +# (dp_key, port_key) where port_key = backend LSP's tunnel_key, so
> +# MFF_LOG_INPORT must hold that tunnel_key when the controller op fires.
> +#
> +# v6 (Numan-alt) approach: install an inport-rewrite lflow at
> +# S_SWITCH_IN_CHECK_PORT_SEC priority 75 keyed on
> +# (inport == <localnet> && eth.src == <bm_mac>) which assigns
> +# flags.localnet = 1; inport = "<bm-port>"; next;
> +# Once that fires, every downstream stage (including the original
> +# per-backend handle_svc_check lflow at S_SWITCH_IN_L2_LKUP and the
> +# generic per-LS svc_monitor_mac lflow) sees inport == <bm-port> and
> +# works without further modification.
> +
> +check ovn-nbctl lr-add lr0
> +check ovn-nbctl lrp-add lr0 lr0-sw0 00:00:00:00:01:01 10.0.0.1/24
> +check ovn-nbctl lrp-add lr0 lr0-prov 00:00:00:00:02:01 10.0.50.1/24
> +
> +check ovn-nbctl ls-add sw0
> +check ovn-nbctl --wait=sb lsp-add sw0 sw0-lr0 \
> + -- lsp-set-type sw0-lr0 router \
> + -- lsp-set-options sw0-lr0 router-port=lr0-sw0 \
> + -- lsp-set-addresses sw0-lr0 router
> +check ovn-nbctl --wait=sb lsp-add sw0 vm-port \
> + -- lsp-set-addresses vm-port "00:00:00:00:01:02 10.0.0.10"
> +
> +check ovn-nbctl ls-add prov
> +check ovn-nbctl --wait=sb lsp-add prov prov-lr0 \
> + -- lsp-set-type prov-lr0 router \
> + -- lsp-set-options prov-lr0 router-port=lr0-prov \
> + -- lsp-set-addresses prov-lr0 router
> +check ovn-nbctl --wait=sb lsp-add prov prov-localnet \
> + -- lsp-set-type prov-localnet localnet \
> + -- lsp-set-options prov-localnet network_name=physnet1 \
> + -- lsp-set-addresses prov-localnet unknown
> +check ovn-nbctl --wait=sb lsp-add prov bm-port \
> + -- lsp-set-type bm-port external \
> + -- lsp-set-addresses bm-port "00:00:00:00:02:0a 10.0.50.10"
> +
> +check ovn-sbctl chassis-add hv1 geneve 127.0.0.1
> +check ovn-sbctl lsp-bind vm-port hv1
> +check ovn-sbctl lsp-bind bm-port hv1
> +
> +# LB has both a regular-VIF backend on sw0 and a type=external backend on
> prov.
> +check ovn-nbctl lb-add lb1 192.168.0.10:80 10.0.0.10:80,10.0.50.10:80 tcp
> +check ovn-nbctl --wait=sb set load_balancer lb1 \
> + ip_port_mappings:10.0.0.10=vm-port:10.0.0.1
> +check ovn-nbctl --wait=sb set load_balancer lb1 \
> + ip_port_mappings:10.0.50.10=bm-port:10.0.50.1
> +
> +check_uuid ovn-nbctl --wait=sb -- --id=@hc create Load_Balancer_Health_Check
> \
> + vip="192.168.0.10\:80" -- add Load_Balancer lb1 health_check @hc
> +
> +check ovn-nbctl lr-lb-add lr0 lb1
> +check ovn-nbctl ls-lb-add sw0 lb1
> +check ovn-nbctl ls-lb-add prov lb1
> +check ovn-nbctl --wait=sb sync
> +
> +# Regular backend on sw0: original "inport == <vm-port>" /
> "handle_svc_check(inport);"
> +# behavior unchanged.
> +AT_CAPTURE_FILE([sw0_lflows])
> +ovn-sbctl dump-flows sw0 | grep ls_in_l2_lkup | grep handle_svc_check \
> + > sw0_lflows
> +AT_CHECK([cat sw0_lflows | ovn_strip_lflows], [0], [dnl
> + table=??(ls_in_l2_lkup ), priority=110 , match=(eth.dst ==
> $svc_monitor_mac && (tcp || icmp || icmp6)),
> action=(handle_svc_check(inport);)
> + table=??(ls_in_l2_lkup ), priority=110 , match=(inport == "vm-port"
> && ip4.dst == 10.0.0.1 && ip4.src == 10.0.0.10 && eth.dst ==
> 00:00:00:00:01:01 && tcp.src == 80), action=(handle_svc_check(inport);)
> +])
> +
> +# type=external backend on prov (localnet LS): the per-backend reply
> +# lflow keeps the ORIGINAL inport-based match because the
> +# inport-rewrite at S_SWITCH_IN_CHECK_PORT_SEC has already substituted
> +# MFF_LOG_INPORT to <bm-port> by the time the packet reaches L2_LKUP.
> +AT_CAPTURE_FILE([prov_lflows])
> +ovn-sbctl dump-flows prov | grep ls_in_l2_lkup | grep handle_svc_check \
> + > prov_lflows
> +AT_CHECK([cat prov_lflows | ovn_strip_lflows], [0], [dnl
> + table=??(ls_in_l2_lkup ), priority=110 , match=(eth.dst ==
> $svc_monitor_mac && (tcp || icmp || icmp6)),
> action=(handle_svc_check(inport);)
> + table=??(ls_in_l2_lkup ), priority=110 , match=(inport == "bm-port"
> && ip4.dst == 10.0.50.1 && ip4.src == 10.0.50.10 && eth.dst ==
> 00:00:00:00:02:01 && tcp.src == 80), action=(handle_svc_check(inport);)
> +])
> +
> +# v6 inport-rewrite lflow at ls_in_check_port_sec priority 75: turns
> +# (inport == <prov-localnet> && eth.src == <bm_mac>) into
> +# (flags.localnet = 1; inport = "<bm-port>"; next;)
> +AT_CAPTURE_FILE([prov_rewrite_lflows])
> +ovn-sbctl dump-flows prov | grep ls_in_check_port_sec \
> + | grep 'priority=75 ' | grep 'inport = ' \
> + > prov_rewrite_lflows
> +AT_CHECK([cat prov_rewrite_lflows | ovn_strip_lflows], [0], [dnl
> + table=??(ls_in_check_port_sec), priority=75 , match=(inport ==
> "prov-localnet" && eth.src == 00:00:00:00:02:0a), action=(flags.localnet = 1;
> inport = "bm-port"; next;)
> +])
> +
> +OVN_CLEANUP_NORTHD
> +AT_CLEANUP
> +])
> +
> OVN_FOR_EACH_NORTHD_NO_HV([
> AT_SETUP([Load balancer VIP in NAT entries])
> AT_SKIP_IF([test $HAVE_PYTHON = no])
> diff --git a/tests/ovn.at b/tests/ovn.at
> index fbaa63d..74747f4 100644
> --- a/tests/ovn.at
> +++ b/tests/ovn.at
> @@ -21474,6 +21474,11 @@ grep controller | grep tp_src=546 | grep \
> check ovn-nbctl --wait=hv lsp-add-localnet-port ls1 ln-public phys
>
> ln_public_key=$(fetch_column Port_Binding tunnel_key logical_port=ln-public)
> +# v6 (Numan-alt): DHCP lflows for external ports now match on the
> +# external LSP's inport (after the inport-rewrite at table 0), so the
> +# OF flow's reg14 value is the external LSP's tunnel_key, not the
> +# localnet's.
> +lp_ext1_key=$(fetch_column Port_Binding tunnel_key logical_port=ls1-lp_ext1)
>
> # The ls1-lp_ext1 should be bound to hv1 as only hv1 is part of the
> # ha chassis group.
> @@ -21485,13 +21490,13 @@ wait_for_ports_up ls1-lp_ext1
> (ovn-sbctl dump-flows lr0; ovn-sbctl dump-flows ls1) > sbflows
> as hv1 ovs-ofctl dump-flows br-int > brintflows
> AT_CHECK([as hv1 ovs-ofctl dump-flows br-int | \
> -grep controller | grep "0a.00.00.06" | grep reg14=0x$ln_public_key | \
> +grep controller | grep "0a.00.00.06" | grep reg14=0x$lp_ext1_key | \
> wc -l], [0], [1
> ])
> AT_CHECK([as hv1 ovs-ofctl dump-flows br-int | \
> grep controller | grep tp_src=546 | grep \
> "ae.70.00.00.00.00.00.00.00.00.00.00.00.00.00.06" | \
> -grep reg14=0x$ln_public_key | wc -l], [0], [1
> +grep reg14=0x$lp_ext1_key | wc -l], [0], [1
> ])
>
> # There should be no DHCPv4/v6 flows for ls1-lp_ext1 on hv2
> @@ -21736,14 +21741,15 @@ wait_row_count Port_Binding 1
> logical_port=ls1-lp_ext1 chassis=$hv2_uuid
> wait_for_ports_up ls1-lp_ext1
>
> # There should be OF flows for DHCP4/v6 for the ls1-lp_ext1 port in hv2
> +# v6 (Numan-alt): reg14 carries the external LSP's tunnel_key.
> AT_CHECK([as hv2 ovs-ofctl dump-flows br-int | \
> -grep controller | grep "0a.00.00.06" | grep reg14=0x$ln_public_key | \
> +grep controller | grep "0a.00.00.06" | grep reg14=0x$lp_ext1_key | \
> wc -l], [0], [1
> ])
> AT_CHECK([as hv2 ovs-ofctl dump-flows br-int | \
> grep controller | grep tp_src=546 | grep \
> "ae.70.00.00.00.00.00.00.00.00.00.00.00.00.00.06" | \
> -grep reg14=0x$ln_public_key | wc -l], [0], [1
> +grep reg14=0x$lp_ext1_key | wc -l], [0], [1
> ])
>
> # There should be no DHCPv4/v6 flows for ls1-lp_ext1 on hv1
> @@ -21753,7 +21759,7 @@ grep controller | grep "0a.00.00.06" | wc -l], [0], [0
> AT_CHECK([as hv1 ovs-ofctl dump-flows br-int | \
> grep controller | grep tp_src=546 | grep \
> "ae.70.00.00.00.00.00.00.00.00.00.00.00.00.00.06" | \
> -grep reg14=0x$ln_public_key | wc -l], [0], [0
> +grep reg14=0x$lp_ext1_key | wc -l], [0], [0
> ])
>
> # Send DHCPDISCOVER again for hv1/ext1. The DHCP response should come from
> --
> 2.49.0
>
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