127.0.0.1	localhost
::1		localhost ip6-localhost ip6-loopback
ff02::1		ip6-allnodes
ff02::2		ip6-allrouters

127.0.0.1 localhost
127.0.1.1 np7f170a1b5c204
10.0.16.45 compute1
10.0.16.45 np8af30852013b4
10.0.19.83 controller
10.0.19.83 np7f170a1b5c204