OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-c525cc-0): addr:62:66:1f:8d:eb:c7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-2bd8bf-0): addr:82:b6:8b:26:4f:0b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:0e:60:52:ae:a4:95
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
