Trouble running webdm (on custom hardware)

[Mike Cornelius]

I've installed the 15.04/edge release on our custom hardware and installed
webdm however I can't seem to get webdm to accept incoming
connections, here's what I see in the syslog:-

Apr 24 00:53:31 localhost systemd[1]: Started Avahi daemon.
Apr 24 00:53:31 localhost systemd[1]: Starting Avahi daemon...
Apr 24 00:53:32 localhost kernel: [65181.037479] audit: type=1400 audit(1429836812.172:11): apparmor="DENIED" operation="open" profile="webdm.canonical_avahi_0.5" name="/proc/sys/net/core/somaxconn" pid=1985 comm="metabin"
requested_mask="r" denied_mask="r" fsuid=0 ouid=0
Apr 24 00:53:32 localhost ubuntu-core-launcher[1985]: 2015/04/24 00:53:32 gmx: unable to open local socket: listen unix
/tmp/snaps/webdm.canonical/0.5/tmp/.gmx.1985.0: bind: no such file or directory
Apr 24 00:53:32 localhost ubuntu-core-launcher[1985]: 2015/04/24 00:53:32 Publishing webdm.local. 60 IN A 192.168.42.15
Apr 24 00:53:32 localhost ubuntu-core-launcher[1985]: 2015/04/24 00:53:32 Publishing webdm.local. 60 IN A ::1
Apr 24 00:53:32 localhost ubuntu-core-launcher[1985]: 2015/04/24 00:53:32 Publishing webdm.local. 60 IN A fe80::24a2:afff:fe6a:45aa

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.