The /dev/log socket was moved to /run on systemd 214, install the
newly added socket unit.
$systemdsystemunitdir/sockets.target.wants/systemd-udevd-control.socket \
$systemdsystemunitdir/sockets.target.wants/systemd-udevd-kernel.socket \
$systemdsystemunitdir/sockets.target.wants/systemd-journald.socket \
+ $systemdsystemunitdir/sockets.target.wants/systemd-journald-dev-log.socket \
$systemdsystemunitdir/sysinit.target.wants/systemd-udevd.service \
$systemdsystemunitdir/sysinit.target.wants/systemd-udev-trigger.service \
$systemdsystemunitdir/sysinit.target.wants/kmod-static-nodes.service \