OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-64388b-0): addr:96:56:53:f6:37:e2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-a230ad-0): addr:de:d4:d1:c6:d9:75
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:72:53:71:f6:dd:d2
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
