units: enable watchdog notifications for vmspawn

nspawn supports it and enables it. Let's do this for vmspawn too. It
already supports it in code. Let's make it also work in the unit file.

diff --git a/units/systemd-vmspawn@.service.in b/units/systemd-vmspawn@.service.in
index fc4522ddb817036d1b994e2c0395fa480806cc06..496b65117724adb8aa4e889341d349ecc69bb558 100644 (file)
--- a/units/systemd-vmspawn@.service.in
+++ b/units/systemd-vmspawn@.service.in
@@ -20,6 +20,7 @@ ExecStart=systemd-vmspawn --quiet --register=yes --keep-unit --network-tap --mac
 KillMode=mixed
 Type=notify
 Slice=machine.slice
+{{SERVICE_WATCHDOG}}
 
 {# Enforce a strict device policy. Make sure to keep these policies in sync if you change them! #}
 DevicePolicy=closed