On 11 September 2014 05:30, dE <de.techno at gmail.com> wrote: > > > ifcfg enp0s3 add fc00::1002/124 results in > arping: Unknown host fc00:1002 > Error: some host already uses address fc00:1002 on enp0s3. > > You know the last error message sounds ridiculous. The virtual interface > on the host has IP fc00::1001/124 > > Using ip, it also complains "RTNETLINK answer: Permission denied". > > Since this's a fresh install, I think I should file a bug. > Um ifcfg doesn't handle ipv6 - just take a look at the shell script that makes it up ... This is highlighted by arping ... ipv6 does not use arp I just built a minimal C7 instance to verify the behaviour... systemctl status NetworkManager shows that it is running ip addr add fc00::1001/124 dev eth0 adds the IP address to the interface NetworkManager does not remove this from the interface