Describe dhcp6 error code if no text present
Patch from upstream, will be included in dhcpcd-6.9.4
(from redmine: issue id 4862, created on 2015-11-13, closed on 2017-04-07)
Patch from upstream, will be included in dhcpcd-6.9.4
(from redmine: issue id 4862, created on 2015-11-13, closed on 2017-04-07)