ifup is iterating over all vlan sub vlan interfaces for ens interfaces

Bug #1910584 reported by Immo
This bug affects 1 person
Affects Status Importance Assigned to Milestone
ifupdown (Ubuntu)

Bug Description

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
Set name-type for VLAN subsystem. Should be visible in /proc/net/vlan/config
Set name-type for VLAN subsystem. Should be visible in /proc/net/vlan/config
Added VLAN with VID == 4 to IF -:ens19.2023:-
Set name-type for VLAN subsystem. Should be visible in /proc/net/vlan/config
Added VLAN with VID == 4090 to IF -:ens19.2023:-

more is written at> https://askubuntu.com/questions/1305801

Revision history for this message
Immo (iwetzel) wrote :

I just added an echo to the /etc/network/if-pre-up.d/vlan to see the processed vlanIF
Therefore you see IF.VLAN.SUBVLAN .....

Revision history for this message
Ubuntu Foundations Team Bug Bot (crichton) wrote :

Thank you for taking the time to report this bug and helping to make Ubuntu better. It seems that your bug report is not filed about a specific source package though, rather it is just filed against Ubuntu in general. It is important that bug reports be filed about source packages so that people interested in the package can find the bugs about it. You can find some hints about determining what package your bug might be about at https://wiki.ubuntu.com/Bugs/FindRightPackage. You might also ask for help in the #ubuntu-bugs irc channel on Freenode.

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tags: added: bot-comment
Immo (iwetzel)
affects: ubuntu → ifupdown (Ubuntu)
tags: added: bionic
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