SERVER_A
err = update_lookup_map(skel->maps.redir_map, SERVER_A, connected_fd);
err = update_lookup_map(t->redir_map, SERVER_A, server_fd);
.accept_on = SERVER_A,
.accept_on = SERVER_A,
.accept_on = SERVER_A,
.accept_on = SERVER_A,
err = update_lookup_map(t->sock_map, SERVER_A, server1);
static const __u32 KEY_SERVER_A = SERVER_A;