--- pve-manager/configs/pve.logrotate.alt	2017-12-14 11:07:00.008417360 +0300
+++ pve-manager/configs/pve.logrotate	2017-12-29 16:00:31.364481244 +0300
@@ -5,7 +5,8 @@
 	compress
 	delaycompress
 	notifempty
-	create 640 www-data www-data
+	create 660 root www-data
+	su root www-data
 	sharedscripts
 	postrotate
 		/bin/systemctl try-reload-or-restart pveproxy.service