bash-4.3$ ./test.sh
127.0.0.1 localhost ::1 localhost ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters 172.17.0.67 4f128c5574f0

bash-4.3$ cat /etc/hosts
127.0.0.1       localhost
::1     localhost ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
172.17.0.67     4f128c5574f0