Comment 4 for bug 2000001

I could not determine exactly which part was having the problems, seems to me the dhcp client package or API to network-managers.

To this ubuntu develop/changes much on parts the network management handling ubuntu go other ways than other Debian/Linux OS.

If Company's disable IPV6 on local LAN for easy Firewall-Security-Handling, they will run into problems.
I know IPv6 should be implemented but on small Areas it makes less sense.

Users have still Problems on "easy" managing IPv6. They wont use small Routers to route local devices to the Internernet Provider's IPv6-DHCP Servers.