OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e01170-0): addr:a6:d1:b4:c2:64:c1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:7e:46:5f:48:d7:30
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
