[Unit] Description=Helper to synchronize boot up for ifupdown DefaultDependencies=no Wants=systemd-udevd.service After=systemd-udev-trigger.service Before=network.target [Service] Type=oneshot TimeoutSec=180 RemainAfterExit=yes EnvironmentFile=-/etc/default/networking ExecStart=/bin/sh -c 'if [ "$CONFIGURE_INTERFACES" != "no" ] && [ -n "$(ifquery --read-environment --list --exclude=lo)" ] && [ -x /bin/udevadm ]; then udevadm settle; fi'