- r = sd_rtnl_message_addr_set_scope(ipv4, RT_SCOPE_HOST);
- if (r < 0)
- return r;
-
- r = sd_rtnl_message_append_in_addr(ipv4, IFA_LOCAL, ipv4_address);
- if (r < 0)
- return r;
-
- r = sd_rtnl_call_async(rtnl, ipv4, &pipe_handler, counter, 0, NULL);
- if (r < 0)
- return r;
-
- (*counter) ++;
-
- if (!socket_ipv6_is_supported())
- return 0;
-
- r = sd_rtnl_message_addr_new(RTM_NEWADDR, if_loopback, AF_INET6, &ipv6);
- if (r < 0)
- return r;
-
- r = sd_rtnl_message_addr_set_prefixlen(ipv6, 128);
- if (r < 0)
- return r;
-
- r = sd_rtnl_message_addr_set_flags(ipv6, IFA_F_PERMANENT);
- if (r < 0)
- return r;
-
- r = sd_rtnl_message_addr_set_scope(ipv6, RT_SCOPE_HOST);
- if (r < 0)
- return r;
-
- r = sd_rtnl_message_append_in6_addr(ipv6, IFA_LOCAL, &in6addr_loopback);
- if (r < 0)
- return r;
-
- r = sd_rtnl_call_async(rtnl, ipv6, &pipe_handler, counter, 0, NULL);
- if (r < 0)
- return r;
-
- (*counter) ++;
-
- return 0;
-}
-
-static int start_interface(sd_rtnl *rtnl, int if_loopback, struct in_addr *ipv4_address, int *counter) {