networkd cares about an interface, but is still in progress..
- the DHCP lease data (such as NTP/DNS) is still made available when
a carrier is lost on a link. It should be removed instantly.
+ - maybe have bool flag in .link units to enable promiscuous mode for interfaces
+ http://lists.freedesktop.org/archives/systemd-devel/2014-July/021568.html
* resolved:
- DNSSEC