avahi: do not start unconditionally / by default under sysconfig
This update fixes the following issue with avahi:
- bnc#853845, bnc#851953: do not start unconditionally / by default under sysconfig as it breaks vlan,bridge,bonding setups
- Submitted by Marius Tomaschewski (mtomaschewski)
Fixed bugs
bnc#853845
avahi-autoipd breaks vlan,bridge,bonding setups by starting unconditionally
bnc#851953
Network start insists on assigning addresses to bridge ports, breaking IPv6 on bridges