OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-a5c516-0): addr:d6:67:2b:79:fe:0a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:62:5e:7f:76:fa:67
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
