afs_merge_fs_addr6
ret = afs_merge_fs_addr6(net, alist, x, xport);
extern int afs_merge_fs_addr6(struct afs_net *net, struct afs_addr_list *addr,
ret = afs_merge_fs_addr6(net, alist, x, port);
ret = afs_merge_fs_addr6(call->net, alist, bp + 1, ntohl(bp[5]));