OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-d2763d-0): addr:32:9e:76:b0:c9:72
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-87b48c-0): addr:c6:5f:5f:7f:56:07
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(patch-br-int-to): addr:1e:95:4c:f2:68:e8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 7(tap7023e953-fb): addr:fa:16:3e:80:e8:c7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 8(tap2292713b-36): addr:fe:16:3e:21:75:ef
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 9(tapfaaa3dd1-b0): addr:96:e0:46:dc:6e:77
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 19(tapfb45fe43-48): addr:fa:16:3e:76:4b:c8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:5e:e7:7e:5e:b5:84
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
