*** This bug is a duplicate of bug 1951832 ***
https://bugs.launchpad.net/bugs/1951832
this is probably not a duplicate but this
https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/issues/961
#1951832 does talk about a issue with xl2tpd, looking at this log
output, the ppp session is established but is terminated afer 1.5
minutes. A lot of bytes where sent, but none was received. looks like
the ppp packet was routed inside the ppp tunnel (this is, according to
Douglas Kosovic, a regression in network manager)
** Bug watch added:
gitlab.freedesktop.org/NetworkManager/NetworkManager/-/issues #961
https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/issues/961
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https://bugs.launchpad.net/bugs/1970068
Title:
L2TP+IPSec not working after upgrade to 22.04 LTS
Status in network-manager package in Ubuntu:
New
Status in network-manager-l2tp package in Ubuntu:
New
Status in ppp package in Ubuntu:
New
Status in xl2tpd package in Ubuntu:
New
Bug description:
In 20.04LTS i was able to connect to my work over the L2TP tunel. Now
it seems like this in journald:
kwi 24 01:00:37 nm-l2tp-service[11368]: xl2tpd started with pid 11433
kwi 24 01:00:37 NetworkManager[11433]: xl2tpd[11433]: Not looking for kernel
SAref support.
kwi 24 01:00:37 NetworkManager[11433]: xl2tpd[11433]: Using l2tp kernel
support.
kwi 24 01:00:37 NetworkManager[11433]: xl2tpd[11433]: xl2tpd version
xl2tpd-1.3.16 started on crushXnitro PID:11433
kwi 24 01:00:37 NetworkManager[11433]: xl2tpd[11433]: Written by Mark
Spencer, Copyright (C) 1998, Adtran, Inc.
kwi 24 01:00:37 NetworkManager[11433]: xl2tpd[11433]: Forked by Scott Balmos
and David Stipp, (C) 2001
kwi 24 01:00:37 NetworkManager[11433]: xl2tpd[11433]: Inherited by Jeff
McAdams, (C) 2002
kwi 24 01:00:37 NetworkManager[11433]: xl2tpd[11433]: Forked again by
Xelerance (www.xelerance.com) (C) 2006-2016
kwi 24 01:00:37 NetworkManager[11433]: xl2tpd[11433]: Listening on IP address
0.0.0.0, port 49636
kwi 24 01:00:37 NetworkManager[11433]: xl2tpd[11433]: Connecting to host
X.X.X.X, port 1701
kwi 24 01:00:37 NetworkManager[11433]: xl2tpd[11433]: Connection established
to X.X.X.X, 1701. Local: 19994, Remote: 201 (ref=0/0).
kwi 24 01:00:37 NetworkManager[11433]: xl2tpd[11433]: Calling on tunnel 19994
kwi 24 01:00:37 NetworkManager[11433]: xl2tpd[11433]: Call established with
X.X.X.X, Local: 65441, Remote: 142, Serial: 1 (ref=0/0)
kwi 24 01:00:37 NetworkManager[11433]: xl2tpd[11433]: start_pppd: I'm running:
kwi 24 01:00:37 NetworkManager[11433]: xl2tpd[11433]: "/usr/sbin/pppd"
kwi 24 01:00:37 NetworkManager[11433]: xl2tpd[11433]: "plugin"
kwi 24 01:00:37 NetworkManager[11433]: xl2tpd[11433]: "pppol2tp.so"
kwi 24 01:00:37 NetworkManager[11433]: xl2tpd[11433]: "pppol2tp"
kwi 24 01:00:37 NetworkManager[11433]: xl2tpd[11433]: "7"
kwi 24 01:00:37 NetworkManager[11433]: xl2tpd[11433]: "passive"
kwi 24 01:00:37 NetworkManager[11433]: xl2tpd[11433]: "nodetach"
kwi 24 01:00:37 NetworkManager[11433]: xl2tpd[11433]: ":"
kwi 24 01:00:37 NetworkManager[11433]: xl2tpd[11433]: "file"
kwi 24 01:00:37 NetworkManager[11433]: xl2tpd[11433]:
"/run/nm-l2tp-bd8ac49b-a2e9-4094-91dc-17a13ce61ec8/ppp-options"
kwi 24 01:00:37 pppd[11434]: Plugin pppol2tp.so loaded.
kwi 24 01:00:37 pppd[11434]: Plugin
/usr/lib/pppd/2.4.9/nm-l2tp-pppd-plugin.so loaded.
kwi 24 01:00:37 pppd[11434]: pppd 2.4.9 started by root, uid 0
kwi 24 01:00:37 pppd[11434]: Using interface ppp0
kwi 24 01:00:37 pppd[11434]: Connect: ppp0 <-->
kwi 24 01:00:37 pppd[11434]: Overriding mtu 1500 to 1400
kwi 24 01:00:37 pppd[11434]: Overriding mru 1500 to mtu value 1400
kwi 24 01:00:37 NetworkManager[1017]: <info> [1650754837.9839] manager:
(ppp0): new Ppp device (/org/freedesktop/NetworkManager/Devices/6)
kwi 24 01:00:38 pppd[11434]: CHAP authentication succeeded
kwi 24 01:00:38 charon[11397]: 10[KNL] interface ppp0 activated
kwi 24 01:00:38 charon[11397]: 13[KNL] fe80::81ee:6717:6637:2084 appeared on
ppp0
kwi 24 01:00:38 charon[11397]: 14[KNL] flags changed for
fe80::81ee:6717:6637:2084 on ppp0
kwi 24 01:00:38 pppd[11434]: local LL address fe80::81ee:6717:6637:2084
kwi 24 01:00:38 pppd[11434]: remote LL address fe80::0000:0000:00f0:0c0e
kwi 24 01:00:38 charon[11397]: 16[KNL] 192.168.57.181 appeared on ppp0
kwi 24 01:00:38 NetworkManager[1017]: <info> [1650754838.0741] device
(ppp0): state change: unmanaged -> unavailable (reason 'connection-assumed',
sys-iface-state: 'external')
kwi 24 01:00:38 charon[11397]: 08[KNL] 192.168.57.181 disappeared from ppp0
kwi 24 01:00:38 charon[11397]: 10[KNL] 192.168.57.181 appeared on ppp0
kwi 24 01:00:38 NetworkManager[1017]: <info> [1650754838.0751] device
(ppp0): state change: unavailable -> disconnected (reason 'none',
sys-iface-state: 'external')
kwi 24 01:00:38 pppd[11434]: local IP address 192.168.57.181
kwi 24 01:00:38 pppd[11434]: remote IP address X.X.X.X
kwi 24 01:00:38 pppd[11434]: primary DNS address 192.168.56.19
kwi 24 01:00:38 NetworkManager[1017]: <info> [1650754838.0952] policy: set
'yyyyxyyyxyyyx' (ppp0) as default for IPv4 routing and DNS
kwi 24 01:01:03 charon[11397]: 12[IKE] sending keep alive to 91.X.63.182[4500]
kwi 24 01:01:23 charon[11397]: 15[IKE] sending keep alive to X.X.X.X[4500]
kwi 24 01:01:38 NetworkManager[11433]: xl2tpd[11433]: check_control: Received
out of order control packet on tunnel 201 (got 2, expected 3)
kwi 24 01:01:38 NetworkManager[11433]: xl2tpd[11433]: handle_control: bad
control packet!
kwi 24 01:01:40 NetworkManager[11433]: xl2tpd[11433]: check_control: Received
out of order control packet on tunnel 201 (got 2, expected 3)
kwi 24 01:01:40 NetworkManager[11433]: xl2tpd[11433]: handle_control: bad
control packet!
kwi 24 01:01:42 NetworkManager[11433]: xl2tpd[11433]: check_control: Received
out of order control packet on tunnel 201 (got 2, expected 3)
kwi 24 01:01:42 NetworkManager[11433]: xl2tpd[11433]: handle_control: bad
control packet!
kwi 24 01:01:43 charon[11397]: 07[IKE] sending keep alive to X.X.X.X[4500]
kwi 24 01:01:46 NetworkManager[11433]: xl2tpd[11433]: check_control: Received
out of order control packet on tunnel 201 (got 2, expected 3)
kwi 24 01:01:46 NetworkManager[11433]: xl2tpd[11433]: handle_control: bad
control packet!
kwi 24 01:01:54 NetworkManager[11433]: xl2tpd[11433]: check_control: Received
out of order control packet on tunnel 201 (got 2, expected 3)
kwi 24 01:01:54 NetworkManager[11433]: xl2tpd[11433]: handle_control: bad
control packet!
kwi 24 01:02:03 charon[11397]: 10[IKE] sending keep alive to X.X.X.X[4500]
kwi 24 01:02:08 NetworkManager[11433]: xl2tpd[11433]: Maximum retries
exceeded for tunnel 19994. Closing.
kwi 24 01:02:08 NetworkManager[11433]: xl2tpd[11433]: Terminating pppd:
sending TERM signal to pid 11434
kwi 24 01:02:08 NetworkManager[11433]: xl2tpd[11433]: Connection 201 closed
to X.X.X.X, port 1701 (Timeout)
kwi 24 01:02:08 pppd[11434]: Terminating on signal 15
kwi 24 01:02:08 pppd[11434]: Connect time 1.5 minutes.
kwi 24 01:02:08 pppd[11434]: Sent 3408418759 bytes, received 0 bytes.
kwi 24 01:02:08 charon[11397]: 13[KNL] 192.168.57.181 disappeared from ppp0
kwi 24 01:02:08 charon[11397]: 16[KNL] fe80::81ee:6717:6637:2084 disappeared
from ppp0
kwi 24 01:02:08 charon[11397]: 06[KNL] interface ppp0 deactivated
kwi 24 01:02:08 NetworkManager[1017]: <info> [1650754928.9942] device
(ppp0): state change: disconnected -> unmanaged (reason 'connection-assumed',
sys-iface-state: 'external')
kwi 24 01:02:09 pppd[11434]: Overriding mtu 1500 to 1400
kwi 24 01:02:09 pppd[11434]: Overriding mru 1500 to mtu value 1400
kwi 24 01:02:12 charon[11397]: 11[KNL] 192.168.57.181 appeared on ppp0
kwi 24 01:02:15 pppd[11434]: Connection terminated.
kwi 24 01:02:15 pppd[11434]: Connect time 1.5 minutes.
kwi 24 01:02:15 pppd[11434]: Sent 3408422107 bytes, received 0 bytes.
kwi 24 01:02:15 NetworkManager[11433]: xl2tpd[11433]: death_handler: Fatal
signal 15 received
kwi 24 01:02:15 charon[11397]: 13[KNL] 192.168.57.181 disappeared from ppp0
kwi 24 01:02:15 charon[11397]: 14[KNL] interface ppp0 deleted
kwi 24 01:02:15 NetworkManager[11975]: Stopping strongSwan IPsec...
kwi 24 01:02:15 charon[11397]: 00[DMN] SIGINT received, shutting down
kwi 24 01:02:15 charon[11397]: 00[IKE] closing CHILD_SA
bd8ac49b-a2e9-4094-91dc-17a13ce61ec8{1} with SPIs c99e9909_i (843 bytes)
09519760_o (3486181540 bytes) and TS 10.0.5.8/32[udp] === X.X.X.X/32[udp/l2f]
kwi 24 01:02:15 charon[11397]: 00[IKE] closing CHILD_SA
bd8ac49b-a2e9-4094-91dc-17a13ce61ec8{1} with SPIs c99e9909_i (843 bytes)
09519760_o (3486181540 bytes) and TS 10.0.5.8/32[udp] === X.X.X.X/32[udp/l2f]
kwi 24 01:02:15 charon[11397]: 00[IKE] sending DELETE for ESP CHILD_SA with
SPI c99e9909
kwi 24 01:02:15 charon[11397]: 00[ENC] generating INFORMATIONAL_V1 request
2999438773 [ HASH D ]
kwi 24 01:02:15 charon[11397]: 00[NET] sending packet: from 10.0.5.8[4500] to
X.X.X.X[4500] (76 bytes)
kwi 24 01:02:15 charon[11397]: 00[IKE] deleting IKE_SA
bd8ac49b-a2e9-4094-91dc-17a13ce61ec8[1] between
10.0.5.8[10.0.5.8]...X.X.X.X[X.X.X.X]
kwi 24 01:02:15 charon[11397]: 00[IKE] deleting IKE_SA
bd8ac49b-a2e9-4094-91dc-17a13ce61ec8[1] between
10.0.5.8[10.0.5.8]...X.X.X.X[X.X.X.X]
kwi 24 01:02:15 charon[11397]: 00[IKE] sending DELETE for IKE_SA
bd8ac49b-a2e9-4094-91dc-17a13ce61ec8[1]
kwi 24 01:02:15 charon[11397]: 00[ENC] generating INFORMATIONAL_V1 request
2417094363 [ HASH D ]
kwi 24 01:02:15 charon[11397]: 00[NET] sending packet: from 10.0.5.8[4500] to
X.X.X.X[4500] (92 bytes)
kwi 24 01:02:15 ipsec_starter[11396]: child 11397 (charon) has quit (exit
code 0)
kwi 24 01:02:15 ipsec_starter[11396]:
kwi 24 01:02:15 ipsec_starter[11396]: charon stopped after 200 ms
kwi 24 01:02:15 ipsec_starter[11396]: ipsec starter stopped
kwi 24 01:02:15 pppd[11434]: Modem hangup
kwi 24 01:02:15 pppd[11434]: Exit.
kwi 24 01:02:15 nm-l2tp-service[11368]: ipsec shut down
kwi 24 01:02:15 NetworkManager[1017]: <info> [1650754935.1179] policy: set
'Woloszyn-5G' (wlp9s0) as default for IPv4 routing and DNS
kwi 24 01:02:15 NetworkManager[1017]: <warn> [1650754935.1424]
dns-sd-resolved[89a44b1630a1bf13]: send-updates SetLinkDomains@5 failed:
GDBus.Error:org.freedesktop.resolve1.NoSuchLink: Link 5 not known
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