if (!create_event_socket(&rtnl_event, NETLINK_ROUTE, cb_rtnl_event))
return -1;
// Receive network link events form kernel
nl_socket_add_membership(rtnl_event.sock, RTNLGRP_LINK);
if (!create_event_socket(&rtnl_event, NETLINK_ROUTE, cb_rtnl_event))
return -1;
// Receive network link events form kernel
nl_socket_add_membership(rtnl_event.sock, RTNLGRP_LINK);