mininet@mininet-vm:~$ sudo python fattree3.py 
*** Adding controller
*** Add switches
*** Add hosts
*** Add links
*** Starting network
*** Configuring hosts
h14 h15 h6 h7 h16 h10 h1 h8 h9 h5 h11 h2 h12 h3 h4 h13 
*** Starting controllers
*** Starting switches
*** Post configure switches and hosts
*** Starting CLI:
mininet> pingall
*** Ping: testing ping reachability
h14 -> h15 h6 h7 h16 h10 h1 h8 h9 h5 h11 h2 h12 h3 h4 h13 
h15 -> h14 h6 h7 h16 h10 h1 h8 h9 h5 h11 h2 h12 h3 h4 h13 
h6 -> h14 h15 h7 h16 h10 h1 h8 h9 h5 h11 h2 h12 h3 h4 h13 
h7 -> h14 h15 h6 h16 h10 h1 h8 h9 h5 h11 h2 h12 h3 h4 h13 
h16 -> h14 h15 h6 h7 h10 h1 h8 h9 h5 h11 h2 h12 h3 h4 h13 
h10 -> h14 h15 h6 h7 h16 h1 h8 h9 h5 h11 h2 h12 h3 h4 h13 
h1 -> h14 h15 h6 h7 h16 h10 h8 h9 h5 h11 h2 h12 h3 h4 h13 
h8 -> h14 h15 h6 h7 h16 h10 h1 h9 h5 h11 h2 h12 h3 h4 h13 
h9 -> h14 h15 h6 h7 h16 h10 h1 h8 h5 h11 h2 h12 h3 h4 h13 
h5 -> h14 h15 h6 h7 h16 h10 h1 h8 h9 h11 h2 h12 h3 h4 h13 
h11 -> h14 h15 h6 h7 h16 h10 h1 h8 h9 h5 h2 h12 h3 h4 h13 
h2 -> h14 h15 h6 h7 h16 h10 h1 h8 h9 h5 h11 h12 h3 h4 h13 
h12 -> h14 h15 h6 h7 h16 h10 h1 h8 h9 h5 h11 h2 h3 h4 h13 
h3 -> h14 h15 h6 h7 h16 h10 h1 h8 h9 h5 h11 h2 h12 h4 h13 
h4 -> h14 h15 h6 h7 h16 h10 h1 h8 h9 h5 h11 h2 h12 h3 h13 
h13 -> h14 h15 h6 h7 h16 h10 h1 h8 h9 h5 h11 h2 h12 h3 h4 
*** Results: 0% dropped (240/240 received)
mininet> net
h14 h14-eth0:s19-eth4
h15 h15-eth0:s20-eth3
h6 h6-eth0:s15-eth4
h7 h7-eth0:s16-eth3
h16 h16-eth0:s20-eth4
h10 h10-eth0:s17-eth4
h1 h1-eth0:s13-eth3
h8 h8-eth0:s16-eth4
h9 h9-eth0:s17-eth3
h5 h5-eth0:s15-eth3
h11 h11-eth0:s18-eth3
h2 h2-eth0:s13-eth4
h12 h12-eth0:s18-eth4
h3 h3-eth0:s14-eth3
h4 h4-eth0:s14-eth4
h13 h13-eth0:s19-eth3
s19 lo:  s19-eth1:s11-eth3 s19-eth2:s12-eth4 s19-eth3:h13-eth0 s19-eth4:h14-eth0
s2 lo:  s2-eth1:s5-eth2 s2-eth2:s7-eth2 s2-eth3:s9-eth2 s2-eth4:s11-eth2
s8 lo:  s8-eth1:s3-eth2 s8-eth2:s4-eth3 s8-eth3:s15-eth1 s8-eth4:s16-eth2
s14 lo:  s14-eth1:s6-eth3 s14-eth2:s5-eth4 s14-eth3:h3-eth0 s14-eth4:h4-eth0
s3 lo:  s3-eth1:s6-eth1 s3-eth2:s8-eth1 s3-eth3:s10-eth1 s3-eth4:s12-eth1
s20 lo:  s20-eth1:s12-eth3 s20-eth2:s11-eth4 s20-eth3:h15-eth0 s20-eth4:h16-eth0
s9 lo:  s9-eth1:s1-eth3 s9-eth2:s2-eth3 s9-eth3:s17-eth1 s9-eth4:s18-eth2
s15 lo:  s15-eth1:s8-eth3 s15-eth2:s7-eth4 s15-eth3:h5-eth0 s15-eth4:h6-eth0
s4 lo:  s4-eth1:s12-eth2 s4-eth2:s10-eth2 s4-eth3:s8-eth2 s4-eth4:s6-eth2
s10 lo:  s10-eth1:s3-eth3 s10-eth2:s4-eth2 s10-eth3:s18-eth1 s10-eth4:s17-eth2
s16 lo:  s16-eth1:s7-eth3 s16-eth2:s8-eth4 s16-eth3:h7-eth0 s16-eth4:h8-eth0
s5 lo:  s5-eth1:s1-eth1 s5-eth2:s2-eth1 s5-eth3:s13-eth1 s5-eth4:s14-eth2
s11 lo:  s11-eth1:s1-eth4 s11-eth2:s2-eth4 s11-eth3:s19-eth1 s11-eth4:s20-eth2
s1 lo:  s1-eth1:s5-eth1 s1-eth2:s7-eth1 s1-eth3:s9-eth1 s1-eth4:s11-eth1
s6 lo:  s6-eth1:s3-eth1 s6-eth2:s4-eth4 s6-eth3:s14-eth1 s6-eth4:s13-eth2
s17 lo:  s17-eth1:s9-eth3 s17-eth2:s10-eth4 s17-eth3:h9-eth0 s17-eth4:h10-eth0
s12 lo:  s12-eth1:s3-eth4 s12-eth2:s4-eth1 s12-eth3:s20-eth1 s12-eth4:s19-eth2
s18 lo:  s18-eth1:s10-eth3 s18-eth2:s9-eth4 s18-eth3:h11-eth0 s18-eth4:h12-eth0
s7 lo:  s7-eth1:s1-eth2 s7-eth2:s2-eth2 s7-eth3:s16-eth1 s7-eth4:s15-eth2
s13 lo:  s13-eth1:s5-eth3 s13-eth2:s6-eth4 s13-eth3:h1-eth0 s13-eth4:h2-eth0
c0
mininet> dpctl dump-ports-desc
*** s19 ------------------------------------------------------------------------
OFPST_PORT_DESC reply (xid=0x2):
 1(s19-eth1): addr:be:d2:17:61:1a:89
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 2(s19-eth2): addr:0a:f5:82:c8:2e:15
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 3(s19-eth3): addr:8a:d8:b9:7e:00:62
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 4(s19-eth4): addr:ce:40:bd:2d:a1:34
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(s19): addr:8a:ec:52:57:34:47
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
*** s2 ------------------------------------------------------------------------
OFPST_PORT_DESC reply (xid=0x2):
 1(s2-eth1): addr:72:fd:5d:01:6f:2a
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 2(s2-eth2): addr:d2:cc:50:89:ca:19
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 3(s2-eth3): addr:de:c2:29:c9:ce:12
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 4(s2-eth4): addr:96:94:ec:1f:00:88
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(s2): addr:36:1f:db:a3:c0:44
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
*** s8 ------------------------------------------------------------------------
OFPST_PORT_DESC reply (xid=0x2):
 1(s8-eth1): addr:d2:3c:c9:b8:f8:5d
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 2(s8-eth2): addr:be:63:60:b1:4a:7e
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 3(s8-eth3): addr:da:30:b0:ca:e2:0e
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 4(s8-eth4): addr:fa:4b:07:6e:4b:66
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(s8): addr:7a:bc:e5:8d:20:40
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
*** s14 ------------------------------------------------------------------------
OFPST_PORT_DESC reply (xid=0x2):
 1(s14-eth1): addr:86:17:fb:77:5f:9e
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 2(s14-eth2): addr:d6:d9:68:49:8f:9e
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 3(s14-eth3): addr:ee:b2:44:1b:14:a9
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 4(s14-eth4): addr:8a:c1:f0:36:52:7f
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(s14): addr:da:66:41:30:ac:4d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
*** s3 ------------------------------------------------------------------------
OFPST_PORT_DESC reply (xid=0x2):
 1(s3-eth1): addr:2a:b3:19:74:79:ee
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 2(s3-eth2): addr:32:52:8f:07:f4:c6
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 3(s3-eth3): addr:5e:ca:6c:88:d0:8e
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 4(s3-eth4): addr:5e:e9:4f:aa:22:97
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(s3): addr:52:32:a2:38:c0:4a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
*** s20 ------------------------------------------------------------------------
OFPST_PORT_DESC reply (xid=0x2):
 1(s20-eth1): addr:ba:95:6b:2a:46:1b
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 2(s20-eth2): addr:0e:b0:d6:c7:9a:95
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 3(s20-eth3): addr:5a:44:36:00:00:87
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 4(s20-eth4): addr:9e:7e:f6:89:fd:f7
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(s20): addr:96:dd:09:f9:d0:49
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
*** s9 ------------------------------------------------------------------------
OFPST_PORT_DESC reply (xid=0x2):
 1(s9-eth1): addr:9a:18:f3:22:2a:ae
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 2(s9-eth2): addr:6e:62:02:a3:4f:7b
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 3(s9-eth3): addr:2e:96:6d:31:f9:75
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 4(s9-eth4): addr:6e:3f:05:bc:2b:65
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(s9): addr:c6:81:6a:25:70:43
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
*** s15 ------------------------------------------------------------------------
OFPST_PORT_DESC reply (xid=0x2):
 1(s15-eth1): addr:1e:40:f6:7a:83:a7
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 2(s15-eth2): addr:2e:d2:ee:19:1f:ca
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 3(s15-eth3): addr:62:7c:ab:41:b1:3b
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 4(s15-eth4): addr:ee:dd:f5:3a:bb:5c
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(s15): addr:66:90:4b:5f:9f:44
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
*** s4 ------------------------------------------------------------------------
OFPST_PORT_DESC reply (xid=0x2):
 1(s4-eth1): addr:36:18:5d:9b:f9:ae
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 2(s4-eth2): addr:16:9f:79:23:da:19
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 3(s4-eth3): addr:de:9c:cc:aa:ea:36
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 4(s4-eth4): addr:5a:68:43:a0:ba:0b
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(s4): addr:0a:f7:cf:09:35:47
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
*** s10 ------------------------------------------------------------------------
OFPST_PORT_DESC reply (xid=0x2):
 1(s10-eth1): addr:d6:3a:e3:af:03:5e
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 2(s10-eth2): addr:82:9c:35:ca:28:7e
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 3(s10-eth3): addr:3e:2e:3c:4e:22:bc
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 4(s10-eth4): addr:ee:36:d5:3e:fd:e7
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(s10): addr:46:09:7f:be:70:47
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
*** s16 ------------------------------------------------------------------------
OFPST_PORT_DESC reply (xid=0x2):
 1(s16-eth1): addr:a6:1c:22:88:36:da
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 2(s16-eth2): addr:5a:2a:d9:99:fd:46
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 3(s16-eth3): addr:52:ba:e3:10:32:0e
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 4(s16-eth4): addr:7a:3e:b4:9b:c9:bb
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(s16): addr:8e:ee:df:b9:9b:4e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
*** s5 ------------------------------------------------------------------------
OFPST_PORT_DESC reply (xid=0x2):
 1(s5-eth1): addr:66:11:96:59:f6:45
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 2(s5-eth2): addr:f6:31:42:39:91:17
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 3(s5-eth3): addr:26:ba:a2:fa:d0:de
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 4(s5-eth4): addr:66:57:e8:88:19:08
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(s5): addr:da:3b:4a:1c:ba:4b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
*** s11 ------------------------------------------------------------------------
OFPST_PORT_DESC reply (xid=0x2):
 1(s11-eth1): addr:4e:86:d5:dd:59:80
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 2(s11-eth2): addr:4e:31:48:95:26:86
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 3(s11-eth3): addr:92:02:07:fb:88:7a
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 4(s11-eth4): addr:22:ce:4e:37:10:54
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(s11): addr:4a:86:eb:f8:f7:4a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
*** s1 ------------------------------------------------------------------------
OFPST_PORT_DESC reply (xid=0x2):
 1(s1-eth1): addr:ce:5c:27:7d:13:98
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 2(s1-eth2): addr:d6:f1:4e:77:8e:a2
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 3(s1-eth3): addr:2a:75:3d:d7:e0:c6
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 4(s1-eth4): addr:3a:29:1a:6f:7e:96
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(s1): addr:c6:f0:c9:c3:35:44
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
*** s6 ------------------------------------------------------------------------
OFPST_PORT_DESC reply (xid=0x2):
 1(s6-eth1): addr:9a:5c:33:c5:54:3f
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 2(s6-eth2): addr:a6:af:42:9c:db:12
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 3(s6-eth3): addr:26:4f:9e:88:00:67
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 4(s6-eth4): addr:e2:16:b8:14:da:92
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(s6): addr:fa:29:e3:c1:d1:41
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
*** s17 ------------------------------------------------------------------------
OFPST_PORT_DESC reply (xid=0x2):
 1(s17-eth1): addr:0e:5e:9e:b8:96:a3
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 2(s17-eth2): addr:66:b2:44:8a:52:08
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 3(s17-eth3): addr:9a:9f:e9:00:2d:af
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 4(s17-eth4): addr:c2:32:a9:a9:d6:16
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(s17): addr:da:4f:74:dd:64:4c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
*** s12 ------------------------------------------------------------------------
OFPST_PORT_DESC reply (xid=0x2):
 1(s12-eth1): addr:f6:c4:f2:c8:45:3c
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 2(s12-eth2): addr:76:d7:de:e5:c4:69
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 3(s12-eth3): addr:26:ea:49:5c:27:b5
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 4(s12-eth4): addr:ea:77:da:65:ba:f3
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(s12): addr:b6:45:2d:b5:26:4f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
*** s18 ------------------------------------------------------------------------
OFPST_PORT_DESC reply (xid=0x2):
 1(s18-eth1): addr:3e:ca:c8:9b:24:90
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 2(s18-eth2): addr:26:2f:19:30:de:90
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 3(s18-eth3): addr:b2:ea:ff:55:91:ce
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 4(s18-eth4): addr:26:60:40:52:c1:b5
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(s18): addr:fe:bb:ba:27:f8:41
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
*** s7 ------------------------------------------------------------------------
OFPST_PORT_DESC reply (xid=0x2):
 1(s7-eth1): addr:56:ec:a5:cb:3f:a7
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 2(s7-eth2): addr:9e:b1:e7:5f:8b:82
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 3(s7-eth3): addr:6a:19:7f:bc:9b:32
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 4(s7-eth4): addr:96:ce:ea:53:06:d4
     config:     NO_FLOOD
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(s7): addr:06:88:0d:63:8f:4a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
*** s13 ------------------------------------------------------------------------
OFPST_PORT_DESC reply (xid=0x2):
 1(s13-eth1): addr:ba:5b:4f:8c:fe:4a
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 2(s13-eth2): addr:fa:b8:7e:99:c2:f2
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 3(s13-eth3): addr:8e:56:de:0a:55:dd
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 4(s13-eth4): addr:22:61:78:2e:cc:2a
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(s13): addr:4e:3c:16:30:6a:4f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max