After I rebooted, the "vlan100" interface was created. So perhaps this bug just has to do with the fact that I tried to configure the a VLAN without the 'vlan' package installed.
** Summary changed: - Xenial: VLAN interfaces don't work when defined in the UI + Xenial: VLAN interfaces don't work until after a reboot -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1519120 Title: Xenial: VLAN interfaces don't work until after a reboot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1519120/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
