OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-196337-0): addr:66:b9:35:33:49:36
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:6e:97:2b:5d:6f:11
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
