--- systemd/cloud-final.service.tmpl.orig
+++ systemd/cloud-final.service.tmpl
@@ -14,6 +14,7 @@ ExecStart=/usr/bin/cloud-init modules --
 RemainAfterExit=yes
 TimeoutSec=0
 KillMode=process
+TasksMax=infinity
 
 # Output needs to appear in instance console output
 StandardOutput=journal+console