The /etc/hosts looks like this:
127.0.0.1 localhost
# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
192.168.111.55 android-3c073d214992466f.ikjarl.local #on-dhcp-event 0:ae:fa:cf:c:9f
192.168.111.1 edgerouter #ubnt override entry
192.168.111.1 edgerouter.ikjarl.local #ubnt override entry
192.168.111.2 b3 #vyatta entry
192.168.111.54 android-93f0ea9388405aaa.ikjarl.local #on-dhcp-event 30:75:12:a1:4b:71
192.168.111.62 mamsens-iPhone.ikjarl.local #on-dhcp-event b8:9:8a:14:43:95
192.168.111.57 android-97d5b571b27a6949.ikjarl.local #on-dhcp-event 40:40:a7:ae:7d:c5
192.168.111.64 ikjarl-04.ikjarl.local #on-dhcp-event 0:1a:4b:7b:e3:f8
192.168.111.60 DK-HPL-11.ikjarl.local #on-dhcp-event a4:34:d9:62:c4:4c
192.168.111.58 IKJARL-02.ikjarl.local #on-dhcp-event 0:21:85:35:e3:5c
192.168.111.56 android-98c5b74d1eb14545.ikjarl.local #on-dhcp-event f0:25:b7:26:9b:f0
192.168.64.3 iPhone #on-dhcp-event 90:8d:6c:d8:c3:8b
192.168.111.65 android-a559096b3ecaad66.ikjarl.local #on-dhcp-event f4:9:d8:31:2b:b8
So, you se the b3 entry, without domain.
I have restarted my machine, but no difference