mDNS support for monitor widget

[RitwickVerma]

Description

Hi, I have my services accessible locally with mDNS (avahi) instead of running a full-blown DNS server. Using the http://*.local:{port} does not work and I get a "ERROR" status even though the the service is accessible through IP address (both via curl and putting the IP address for url instead of mDNS name in the widget).

Is it possible to use monitor widget with services accessible via mDNS?

[svilenmarkov]

Hey, if you're running Glance in Docker then this is due to Docker and not Glance itself. Have a look at #457.