networkd: correct logging message
networkd: add support for Route sections
man: networkd - clarify Address/Gateway keys in [Network] section
bus-driverd: Fix unique name return in driver_get_name_owner
bus: sync up with kdbus
bus: sync with kdbus

kdbus_cmd_{ep,ns,bus}_make are now consolidated, and bloom_size has
become an item of the dynamically sized list.
bus: install unit files for new driver service
activate: fix error checking on epoll_ctl()
bus: remarshal messages when necessary before sending
busctl: on kdbus the bus driver is a service like any other, hence don't skip it
bus: make driverd code more similar to other daemons, and make it exit on idle among other things
bus: removed unused variable in driverd

acked by Daniel Mack
udev link-config: add asserts to silence scan-build
dhcp: Properly handle unsuccessful cases for DHCP Ack

Ignore DHCP Ack packets if they are found to be erroneous or have
an unexpected xid by setting the result to zero instead of propagating
an error. Also remember to report a DHCP Nak and stop the DHCP client.