deployment-dbdump is the main udp2log receiver. The udplog package has a udp2log service listening on port 8420 which prevents the custom udp2log-mw from running.
Whenever the box boot, we have to manually issue:
/etc/init.d/udp2log stop && /etc/init.d/udp2log-mw start
Version: unspecified
Severity: normal
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=72701