/lib/systemd/system/ifup@.service is in ifupdown 0.8.10ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | [Unit]
Description=ifup for %I
After=local-fs.target network-pre.target apparmor.service
Before=network.target
BindsTo=sys-subsystem-net-devices-%i.device
DefaultDependencies=no
IgnoreOnIsolate=yes
[Service]
# avoid stopping on shutdown via stopping system-ifup.slice
Slice=system.slice
ExecStart=/bin/sh -ec 'ifup --allow=hotplug %I; ifup --allow=auto %I; \
if ifquery %I >/dev/null; then ifquery --state %I >/dev/null; fi'
ExecStop=/sbin/ifdown %I
RemainAfterExit=true
TimeoutStartSec=5min
|