[Bug 1831470] Re: systemd dhcp don't work on vlan

[Roman]

netif.tar http://paste.ubuntu.com/p/DvPcmNs6Jb/

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Title:
  systemd dhcp don't work on vlan

Status in systemd package in Ubuntu:
  New

Bug description:
  root at gwd:~# uname -a
  Linux gwd 4.15.0-50-generic #54-Ubuntu SMP Mon May 6 18:46:08 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

  root at gwd:~# lsb_release -a
  No LSB modules are available.
  Distributor ID: Ubuntu
  Description:    Ubuntu 18.04.2 LTS
  Release:        18.04
  Codename:       bionic

  root at gwd:~# cat /etc/systemd/network/enp3s0.network
  [Match]
  Name=enp3s0

  [Link]
  MACAddress=C8:D3:A3:50:02:33

  [Network]
  VLAN=enp3s0.2

  root at gwd:~# cat /etc/systemd/network/enp3s0.2.netdev
  [NetDev]
  Name=enp3s0.2
  Kind=vlan

  [VLAN]
  Id=2

  root at gwd:~# cat /etc/systemd/network/enp3s0.2.network
  [Match]
  Name=enp3s0.2

  [Network]
  DHCP=ipv4

  [DHCP]
  UseRoutes=true

  -----------------------------
  No ip on enp3s0.2 after boot!
  dhclient enp3s0.2 works fine, i create systemd service for it as temporary workaround

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