Don't pass -a to init. openrc-init doesn't support it and even with sysvinit,
there's not much point.
--- a/daemons/runsystem.sh
+++ b/daemons/runsystem.sh
@@ -119,4 +119,4 @@ fsysopts / --update --readonly
 
 # Finally, start the actual SysV init.
 echo Starting ${init}
-exec ${init} ${single} -a
+exec ${init} ${single}