- dhcp6: changed --test to request in auto mode, recheck RA
  and try to start on new device-change events (bnc#889981)
- address: enable events in wickedd and expose flags to make
  them visible and up-to-date in ifstatus (bnc#889981)
- nanny: reset/rearm on enable/disable, do not arm at all
  when the use-nanny is false (bnc#891045)
- leases: intrinsic lease installation hook improvements as
  preparation for PPPoE support (bnc#865573)
- dhcp4: do not release and remove lease without request
  (DHCLIENT_RELEASE_BEFORE_QUIT), randomized startup delay
  (DHCLIENT_SLEEP) if enabled, handle defer timeout to stop
  client waiting at ifup (DHCLIENT_WAIT_AT_BOOT), rebind and
  reboot state fixes (bnc#866994)