This is very interesting. I have the "faulty" config in 5.5 but it seems to work. But we have it all on 1 line if that matters and we also specify "carpdev"
---snip--- This doesn't work so well: # cat /etc/hostname.carp0 inet 192.168.16.1/24 vhid 100 pass blahblah advbase 5 advskew 0 This works however: # cat /etc/hostname.carp0 vhid 100 pass blahblah advbase 5 advskew 0 inet 192.168.16.1/24