OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-8e3a2c-0): addr:7a:d9:cc:a7:6b:66
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-586045-0): addr:6e:83:3b:ff:06:fc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ee:d9:b1:69:ea:65
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
