46         _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;  in start_loopback()
52         r = sd_rtnl_message_new_link(rtnl, &req, RTM_SETLINK, LOOPBACK_IFINDEX);  in start_loopback()
56         r = sd_rtnl_message_link_set_flags(req, IFF_UP, IFF_UP);  in start_loopback()
60 …r = sd_netlink_call_async(rtnl, NULL, req, generic_handler, NULL, s, LOOPBACK_SETUP_TIMEOUT_USEC, …  in start_loopback()
69         _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;  in add_ipv4_address()
75         r = sd_rtnl_message_new_addr(rtnl, &req, RTM_NEWADDR, LOOPBACK_IFINDEX, AF_INET);  in add_ipv4_address()
79         r = sd_rtnl_message_addr_set_prefixlen(req, 8);  in add_ipv4_address()
83         r = sd_rtnl_message_addr_set_flags(req, IFA_F_PERMANENT);  in add_ipv4_address()
87         r = sd_rtnl_message_addr_set_scope(req, RT_SCOPE_HOST);  in add_ipv4_address()
91 …r = sd_netlink_message_append_in_addr(req, IFA_LOCAL, &(struct in_addr) { .s_addr = htobe32(INADDR…  in add_ipv4_address()
95 …r = sd_netlink_call_async(rtnl, NULL, req, generic_handler, NULL, s, USEC_INFINITY, "systemd-loopb…  in add_ipv4_address()
104         _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;  in add_ipv6_address()
110         r = sd_rtnl_message_new_addr(rtnl, &req, RTM_NEWADDR, LOOPBACK_IFINDEX, AF_INET6);  in add_ipv6_address()
114         r = sd_rtnl_message_addr_set_prefixlen(req, 128);  in add_ipv6_address()
118         r = sd_rtnl_message_addr_set_flags(req, IFA_F_PERMANENT);  in add_ipv6_address()
122         r = sd_rtnl_message_addr_set_scope(req, RT_SCOPE_HOST);  in add_ipv6_address()
126         r = sd_netlink_message_append_in6_addr(req, IFA_LOCAL, &in6addr_loopback);  in add_ipv6_address()
130 …r = sd_netlink_call_async(rtnl, NULL, req, generic_handler, NULL, s, USEC_INFINITY, "systemd-loopb…  in add_ipv6_address()
139         _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL;  in check_loopback()
143         r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, LOOPBACK_IFINDEX);  in check_loopback()
147         r = sd_netlink_call(rtnl, req, USEC_INFINITY, &reply);  in check_loopback()