altq merge

same as pf.conf:

altq on dc0 bandwidth 2Mb cbq
    queue { dflt, developers, marketing }
queue dflt bandwidth 5% cbq(default)
queue developers bandwidth 80%
queue marketing  bandwidth 15%

pass out on dc0 from 192.168.0.0/24 to any
    keep state queue developers
pass out on dc0 from 192.168.1.0/24 to any
    keep state queue marketing