OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-ce396d-0): addr:ba:a6:8b:e6:77:3d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-2e3432-0): addr:d2:e0:3e:28:a3:e2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-ec6ba8-0): addr:16:e9:aa:73:71:94
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:e2:cf:79:49:a0:43
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
