OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-f628e0-0): addr:ee:71:da:e8:5e:d1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-109b44-0): addr:6a:c4:b7:3a:97:4b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ee:b9:c8:97:56:4b
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
