- do not fail daemon startup if socket is already busy (container)
- process incoming notification of conflict
- send notifications of conflict
- - verify new RR uniqueness
- detect conflicts
- collect multiple responses
- jitter interval support
- - add SOA record to empty responses
+ - watch udev initialization state
+ - watch local host name
+ - reprobe after suspend
- mDNS/DNS-SD
+ - avahi compat
- DNS-SD service registration from socket units
- port sd-resolve to direct bus calls
- nss module: fallback to glibc dns modules if resolved cannot be contacted