[root@ocfs2-1 ~]# echo 2a00:d10:1::377 > file
[root@ocfs2-1 ~]# fping6 -q -C3 < file; echo $?
2a00:d10:1::377 : 0.94 0.39 0.38
0
[root@ocfs2-1 ~]# echo 93.186.180.80 >> file
[root@ocfs2-1 ~]# fping6 -q -C3 < file; echo $?
fping6: Address family for hostname not supported
1
[root@ocfs2-1 ~]#