OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-04703e-0): addr:7e:b2:e8:1d:6e:e2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:0a:5a:8e:f7:ae:e9
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
