OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-222478-0): addr:3e:f0:87:a7:3e:83
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:2e:4f:aa:35:29:90
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
