Comment # 23 on bug 1013605 from Martin Vidner

Regarding SLE-12-SP2 (two!):

It does contain an update for yast2-network, which was the trigger for this
bug:
---
Wed Nov 23 09:18:33 UTC 2016 - mfilka@suse.com
- bsc#984890
  - new implementation of setting hostname via DHCP. User is
    allowed to set hostname via particular interface or set a
    reasonable default value for all interfaces.
- 3.1.170.5
---

BUT this version is not in the installation image, so I think we do not need to
update linuxrc for SP2.