I also confirmed the fix using systemd 249.11-0ubuntu3.8 from jammy-
proposed:
$ apt-cache policy systemd
systemd:
Installed: 249.11-0ubuntu3.8
Candidate: 249.11-0ubuntu3.8
Version table:
*** 249.11-0ubuntu3.8 500
500 http://archive.ubuntu.com/ubuntu jammy-proposed/main amd64 Packages
100 /var/lib/dpkg/status
249.11-0ubuntu3.7 500
500 http://archive.ubuntu.com/ubuntu jammy-updates/main amd64 Packages
500 http://security.ubuntu.com/ubuntu jammy-security/main amd64 Packages
249.11-0ubuntu3 500
500 http://archive.ubuntu.com/ubuntu jammy/main amd64 Packages
$ cat /etc/systemd/network/10-vlan18.netdev
[NetDev]
Name=vlan18
Kind=vlan
[VLAN]
Id=18
$ cat /etc/systemd/network/20-vlan18.network
[Match]
Name=vlan18
[Network]
Address=10.10.1.1/24
[Link]
ActivationPolicy=manual
$ cat /etc/systemd/network/30-ens3.network
[Match]
Name=ens3
[Network]
DHCP=ipv4
VLAN=vlan18
$ ip a show vlan18
3: vlan18@ens3: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group
default qlen 1000
link/ether 52:54:00:c6:8b:40 brd ff:ff:ff:ff:ff:ff
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Touch seeded packages, which is subscribed to systemd in Ubuntu.
https://bugs.launchpad.net/bugs/2000880
Title:
systemd-networkd: ActivationPolicy ignored in VLANs
Status in systemd package in Ubuntu:
Fix Released
Status in systemd source package in Jammy:
Fix Committed
Status in systemd source package in Kinetic:
Fix Released
Bug description:
[Impact]
The ActivationPolicy property in .network files is ignored for VLANs.
[Test Plan]
* On a Jammy machine with an interface named ens3, create the
following configs:
$ cat > /etc/systemd/network/10-vlan18.netdev << EOF
[NetDev]
Name=vlan18
Kind=vlan
[VLAN]
Id=18
EOF
$ cat > /etc/systemd/network/20-vlan18.network << EOF
[Match]
Name=vlan18
[Network]
Address=10.10.1.1/24
[Link]
ActivationPolicy=manual
EOF
$ cat > /etc/systemd/network/30-ens3.network << EOF
[Match]
Name=ens3
[Network]
DHCP=ipv4
VLAN=vlan18
EOF
* Reboot the machine
* On an affected machine, the vlan18@ens3 interface will have a configured IP
at boot, despite the ActivationPolicy=manual setting in
/etc/systemd/network/20-vlan18.network. On a patched machine, the interface
should not have a configured IP.
[Where problems could occur]
The patch adds a condition where a netdev is not yet ready to be
created. Specifically, it makes sure stacked netdevs are not created
before their underlying link is activated. If we saw any problems, it
would be related to netdev creation.
[Original Description]
This has been fixed upstream, see
Upstream bug: https://github.com/systemd/systemd/issues/22593
Any chance of a backport of the fix to 22.04?
Fix: https://github.com/systemd/systemd-stable/pull/211
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