altq on lo0 cbq bandwidth 100Mb tbrsize 3648 queue { bulk urgent }
oldqueue bulk bandwidth 70% cbq( default ) 
oldqueue urgent bandwidth 30% priority 7 
pass in on lo0 inet proto tcp from any to 127.0.0.1 port = 22 flags S/SA set ( queue(bulk, urgent) )
pass in on lo0 inet proto tcp from any to 127.0.0.1 port = 22 flags S/SA set ( queue bulk )
pass in on lo0 inet proto tcp from any to 127.0.0.1 port = 22 flags S/SA set ( queue(bulk, urgent) )
pass in on lo0 inet proto tcp from any to 127.0.0.1 port = 22 flags S/SA set ( queue bulk )
pass in on lo0 inet proto tcp from any to 127.0.0.1 port = 22 flags S/SA set ( queue(bulk, urgent) )