This bug was fixed in the package systemd - 257.4-1ubuntu3
---------------
systemd (257.4-1ubuntu3) plucky; urgency=medium
* test-network: add handling for Ubuntu FAN patches (LP: #2104943)
-- Nick Rosbrook <en...@ubuntu.com> Fri, 28 Mar 2025 11:48:04 -0400
** Changed in: systemd (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/2104943
Title:
systemd: autopkgtest regression due to ubuntu FAN kernel + iproute2
patches
Status in systemd package in Ubuntu:
Fix Released
Bug description:
The plucky autopkgtest currently fails[1] with:
4553s [ 293.469711] systemd-networkd-tests.py[433]:
======================================================================
4553s [ 293.476355] systemd-networkd-tests.py[433]: FAIL: test_vxlan
(__main__.NetworkdNetDevTests.test_vxlan)
4553s [ 293.476792] systemd-networkd-tests.py[433]:
----------------------------------------------------------------------
4553s [ 293.477223] systemd-networkd-tests.py[433]: Traceback (most recent
call last):
4553s [ 293.477942] systemd-networkd-tests.py[433]: File
"/usr/lib/systemd/tests/testdata/test-network/systemd-networkd-tests.py", line
3077, in test_vxlan
4553s [ 293.479400] systemd-networkd-tests.py[433]: self.assertIn('vxlan
id 4831584 local 2002:da8:1:0:1034:56ff:fe78:9abc dev veth99', output)
4553s [ 293.479778] systemd-networkd-tests.py[433]:
~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
4553s [ 293.480275] systemd-networkd-tests.py[433]: AssertionError: 'vxlan
id 4831584 local 2002:da8:1:0:1034:56ff:fe78:9abc dev veth99' not found in
'157: vxlan-slaac: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1430 qdisc noqueue
state UNKNOWN mode DEFAULT group default qlen 1000\n link/ether
e6:3a:0a:ca:6b:da brd ff:ff:ff:ff:ff:ff promiscuity 0 allmulti 0 minmtu 68
maxmtu 65535 \n vxlan id 4831584 fan-map local
2002:da8:1:0:1034:56ff:fe78:9abc dev veth99 srcport 0 0 dstport 8472 ttl auto
ageing 300 noudp_csum numtxqueues 1 numrxqueues 1 gso_max_size 65536
gso_max_segs 65535 tso_max_size 524280 tso_max_segs 65535 gro_max_size 65536
gso_ipv4_max_size 65536 gro_ipv4_max_size 65536'
4553s [ 293.483772] systemd-networkd-tests.py[433]:
----------------------------------------------------------------------
4553s [ 293.486415] systemd-networkd-tests.py[433]: Ran 44 tests in 270.410s
4553s [ 293.486794] systemd-networkd-tests.py[433]: FAILED (failures=1,
skipped
The key difference is the `fan-map` output added to `ip link`. This is
a regression introduced by src:linux and src:iproute2, reintroducing
the Ubuntu FAN patches[2].
[1]
https://autopkgtest.ubuntu.com/results/autopkgtest-plucky/plucky/amd64/s/systemd/20250315_000531_48fe4@/log.gz
[2] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2064508
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