Merge pull request #15715 from zhou-run/202404092057

isisd: The hold time of hello packets on a P2P link does not match the sending interval.

isisd/isis_pdu.c

@@ -2082,7 +2082,7 @@ static void send_hello_cb(struct event *thread)
 		circuit->u.p2p.t_send_p2p_hello = NULL;
 		send_hello(circuit, 1);
 		send_hello_sched(circuit, ISIS_LEVEL1,
-				 1000 * circuit->hello_interval[1]);
+				 1000 * circuit->hello_interval[0]);
 		return;
 	}