[Unit]
Description=bridge sleep hook
Before=sleep.target
StopWhenUnneeded=yes

[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=-/etc/pm/sleep.d/bridge suspend
ExecStop=-/etc/pm/sleep.d/bridge resume
ExecStartPost=/bin/sleep 1

[Install]
WantedBy=sleep.target