Comment # 13 on bug 1173402 from Thomas Blume

(In reply to Fabian Vogt from comment #12)
> What should be done IMO:
> 
> - Touch did-setup in the "# No ip lines default to dhcp" case after
> successful do_dhcp
> - Touch did-setup in the "# no ip option directed at our interface?" case
> after successful do_dhcp
> 
> 0b998beebc008f2dda2eed8a36d59f4a258cb27a introduced the code to handle the
> latter, but:
> - It also runs in cases where the do_dhcp in this block wasn't actually run
> (like in this bug report)
> - The $? it checks is meaningless at this point due to the ifs
> 
> In the "rd.neednet=1 bootdev=eth0" case it actually runs do_dhcp twice for
> the interface, as both
> "# No ip ..." blocks apply. Maybe those blocks should be merged?

Ok, let me investigate that. 
The patch from bsc#1172807 also needs more investigation, because on dual stack
setups, dracut must not skip the ipv6 setup when the ipv4 setup was
successfull.
Will let you know as soon as I have something to try.