[Bug 1846509] Re: networkd doesn't take into account search domain received by DHCP

[Mathieu Trudel-Lapierre]

I could reproduce this trivially; a simple netplan config:

network:
  version: 2
  renderer: networkd
  ethernets:
    eth0:
      dhcp: yes

Will show that my domain "cyphermox.net" here is not passed from DHCP in
networkd to resolved (and does not show in /run/systemd/resolve/stub-
resolv.conf or resolv.conf), whereas if I switch the renderer to
"NetworkManager", I can then see both ~. and "cyphermox.net" in search
domains when running 'systemd-resolve --status'.

** Changed in: systemd (Ubuntu)
       Status: New => Confirmed

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Title:
  networkd doesn't take into account search domain received by DHCP

Status in systemd package in Ubuntu:
  Confirmed

Bug description:
  Hi,

  When starting a virtual machine with the following command line :

  qemu-system-x86_64 -k fr -m 1024 -smp 1 -display none \
  	-rtc base=utc -daemonize \ 
  	-drive if=none,file="my.qcow2",id=hd0 \
  	-device virtio-blk,drive=hd0 \
  	-netdev user,id=user.0,hostfwd=tcp::32768-:22,dnssearch=dns.companyname.com \
  	-device virtio-net,netdev=user.0,mac=de:ad:de:01:02:03 \
  	-vga none

  The system-network doesn't take into account search domain and then
  search fail.

  The same setup does work when using NetworkManager.

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