+ if (r < 0)
+ return log_error_errno(r, "Failed to add new macvlan interfaces: %m");
+ }
+
+ return 0;
+}
+
+static int setup_ipvlan(pid_t pid) {
+ _cleanup_udev_unref_ struct udev *udev = NULL;
+ _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL;
+ char **i;
+ int r;
+
+ if (!arg_private_network)
+ return 0;
+
+ if (strv_isempty(arg_network_ipvlan))
+ return 0;
+
+ r = sd_rtnl_open(&rtnl, 0);
+ if (r < 0)
+ return log_error_errno(r, "Failed to connect to netlink: %m");
+
+ udev = udev_new();
+ if (!udev) {
+ log_error("Failed to connect to udev.");
+ return -ENOMEM;
+ }
+
+ STRV_FOREACH(i, arg_network_ipvlan) {
+ _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL;
+ _cleanup_free_ char *n = NULL;
+ int ifi;
+
+ ifi = parse_interface(udev, *i);
+ if (ifi < 0)
+ return ifi;
+
+ r = sd_rtnl_message_new_link(rtnl, &m, RTM_NEWLINK, 0);
+ if (r < 0)
+ return log_error_errno(r, "Failed to allocate netlink message: %m");
+
+ r = sd_rtnl_message_append_u32(m, IFLA_LINK, ifi);
+ if (r < 0)
+ return log_error_errno(r, "Failed to add netlink interface index: %m");
+
+ n = strappend("iv-", *i);
+ if (!n)
+ return log_oom();
+
+ strshorten(n, IFNAMSIZ-1);
+
+ r = sd_rtnl_message_append_string(m, IFLA_IFNAME, n);
+ if (r < 0)
+ return log_error_errno(r, "Failed to add netlink interface name: %m");
+
+ r = sd_rtnl_message_append_u32(m, IFLA_NET_NS_PID, pid);
+ if (r < 0)
+ return log_error_errno(r, "Failed to add netlink namespace field: %m");
+
+ r = sd_rtnl_message_open_container(m, IFLA_LINKINFO);
+ if (r < 0)
+ return log_error_errno(r, "Failed to open netlink container: %m");
+
+ r = sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA, "ipvlan");
+ if (r < 0)
+ return log_error_errno(r, "Failed to open netlink container: %m");
+
+ r = sd_rtnl_message_append_u16(m, IFLA_IPVLAN_MODE, IPVLAN_MODE_L2);
+ if (r < 0)
+ return log_error_errno(r, "Failed to add ipvlan mode: %m");
+
+ r = sd_rtnl_message_close_container(m);
+ if (r < 0)
+ return log_error_errno(r, "Failed to close netlink container: %m");
+
+ r = sd_rtnl_message_close_container(m);
+ if (r < 0)
+ return log_error_errno(r, "Failed to close netlink container: %m");
+
+ r = sd_rtnl_call(rtnl, m, 0, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to add new ipvlan interfaces: %m");