The problem is also present in privileged LXC containers. Example with full LXC configuration below, on a host with a custom 5.4.13 kernel.
# Distribution configuration lxc.include = /usr/share/lxc/config/common.conf # For Ubuntu 14.04 lxc.mount.entry = /sys/kernel/debug sys/kernel/debug none bind,optional 0 0 lxc.mount.entry = /sys/kernel/security sys/kernel/security none bind,optional 0 0 lxc.mount.entry = /sys/fs/pstore sys/fs/pstore none bind,optional 0 0 lxc.mount.entry = mqueue dev/mqueue mqueue rw,relatime,create=dir,optional 0 0 lxc.include = /usr/share/lxc/config/userns.conf # For Ubuntu 14.04 lxc.mount.entry = /sys/firmware/efi/efivars sys/firmware/efi/efivars none bind,optional 0 0 lxc.mount.entry = /proc/sys/fs/binfmt_misc proc/sys/fs/binfmt_misc none bind,optional 0 0 lxc.arch = linux64 lxc.hook.pre-start = /usr/local/share/lxc/hooks/pre-start.sh vps526706 lxc.hook.post-stop = /usr/local/share/lxc/hooks/post-stop.sh vps526706 lxc.hook.destroy = /usr/local/share/lxc/hooks/destroy.sh vps526706 lxc.mount.fstab = /lxc/vps526706/fstab lxc.rootfs.path = dir:/lxc/vps526706/rootfs lxc.uts.name = vps526706 # Network configuration lxc.net.0.type = veth lxc.net.0.veth.pair = vps526706 lxc.net.0.flags = up lxc.net.0.link = br0 lxc.net.0.hwaddr = 02:00:00:52:67:06 lxc.net.0.name = eth0 lxc.net.0.ipv4.gateway = 192.168.252.1 lxc.net.0.ipv4.address = 192.168.252.171/32 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1863873 Title: Systemd fails to configure bridged network in LXC container To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1863873/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs