Description: Fix missing "PIDFile=" directive in the systemd unit file.
From: Hiroaki Yutani <hiroaki-yutani@cybozu.co.jp>
Origin: upstream, https://github.com/acassen/keepalived/issues/443
Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/keepalived/+bug/1644530
Index: keepalived-1.2.19/debian/keepalived.service
===================================================================
--- keepalived-1.2.19.orig/debian/keepalived.service
+++ keepalived-1.2.19/debian/keepalived.service
@@ -8,6 +8,7 @@ ConditionFileNotEmpty=/etc/keepalived/ke
 [Service]
 Type=forking
 KillMode=process
+PIDFile=/var/run/keepalived.pid
 # Read configuration variable file if it is present
 EnvironmentFile=-/etc/default/keepalived
 ExecStart=/usr/sbin/keepalived $DAEMON_ARGS