Timer_Keepalive
case Timer_Keepalive:
timer_stop(&peer->timers, Timer_Keepalive);
timer_set(&peer->timers, Timer_Keepalive, peer->holdtime / 3);
timer_stop(&peer->timers, Timer_Keepalive);
timer_stop(&peer->timers, Timer_Keepalive);
timer_stop(&peer->timers, Timer_Keepalive);