Warning error message when listening on ipv6 address
Created by: vtexier
An warning error appears in the logs when duniter tries to listen the ipv6 address.
Need to fix it or display error message.
2016-06-02T15:17:51+02:00 - warn: Error: listen EINVAL fe80::222:68ff:fe9a:9fae:8999
at Object.exports._errnoException (util.js:870:11)
at exports._exceptionWithHostPort (util.js:893:20)
at Server._listen2 (net.js:1221:19)
at listen (net.js:1270:10)
at net.js:1379:9
at nextTickCallbackWith3Args (node.js:453:9)
at process._tickCallback (node.js:359:17)