[Unit]
Description=ifup for %I
After=local-fs.target
Before=network.target
BindsTo=sys-subsystem-net-devices-%i.device
DefaultDependencies=no

[Service]
ExecStartPre=-/bin/mkdir -p /run/network
ExecStartPre=-/bin/chown root:netdev /run/network
ExecStart=/sbin/ifup --allow=hotplug %I
ExecStop=/sbin/ifdown %I
RemainAfterExit=true