[Bug 1910584] Re: ifup is iterating over all vlan sub vlan interfaces for ens interfaces

[Immo]

** Package changed: ubuntu => ifupdown (Ubuntu)

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

Status in ifupdown package in Ubuntu:
  New

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 at 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 at dsr-router-1:~# 

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

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