Public bug reported: I expect that a single ifup call with just one vlan interface will NOT bring up all sub vlan interfaces too but on my ubuntu 18.04.02 I do see this
root@dsr-router-1:~# ifup ens19.2023 ens19.2023 Set name-type for VLAN subsystem. Should be visible in /proc/net/vlan/config ens19.2023.4 Set name-type for VLAN subsystem. Should be visible in /proc/net/vlan/config Added VLAN with VID == 4 to IF -:ens19.2023:- ens19.2023.4090 Set name-type for VLAN subsystem. Should be visible in /proc/net/vlan/config Added VLAN with VID == 4090 to IF -:ens19.2023:- root@dsr-router-1:~# more is written at> https://askubuntu.com/questions/1305801 ** Affects: ubuntu Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1910584 Title: ifup is iterating over all vlan sub vlan interfaces for ens interfaces To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1910584/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
