[   37.811193] openvswitch: Open vSwitch switching datapath
[   96.112885] ping6 (6618) used greatest stack depth: 12136 bytes left
[  173.095316] br0: port 1(veth_A-C) entered blocking state
[  173.095382] br0: port 1(veth_A-C) entered disabled state
[  173.095433] veth_A-C: entered allmulticast mode
[  173.095500] veth_A-C: entered promiscuous mode
[  173.095561] br0: port 1(veth_A-C) entered blocking state
[  173.095595] br0: port 1(veth_A-C) entered forwarding state
[  173.241323] br0: port 2(vxlan_a) entered blocking state
[  173.241384] br0: port 2(vxlan_a) entered disabled state
[  173.241454] vxlan_a: entered allmulticast mode
[  173.241528] vxlan_a: entered promiscuous mode
[  173.327946] br0: port 2(vxlan_a) entered blocking state
[  173.327997] br0: port 2(vxlan_a) entered forwarding state
[  176.099563] vxlan_a: left allmulticast mode
[  176.099641] vxlan_a: left promiscuous mode
[  176.099695] br0: port 2(vxlan_a) entered disabled state
[  176.099832] veth_A-C: left allmulticast mode
[  176.099888] veth_A-C: left promiscuous mode
[  176.099932] br0: port 1(veth_A-C) entered disabled state
[  181.097064] br0: port 1(veth_A-C) entered blocking state
[  181.097148] br0: port 1(veth_A-C) entered disabled state
[  181.097227] veth_A-C: entered allmulticast mode
[  181.097327] veth_A-C: entered promiscuous mode
[  181.097423] br0: port 1(veth_A-C) entered blocking state
[  181.097480] br0: port 1(veth_A-C) entered forwarding state
[  181.251199] br0: port 2(vxlan_a) entered blocking state
[  181.251265] br0: port 2(vxlan_a) entered disabled state
[  181.251332] vxlan_a: entered allmulticast mode
[  181.251430] vxlan_a: entered promiscuous mode
[  181.343729] br0: port 2(vxlan_a) entered blocking state
[  181.343793] br0: port 2(vxlan_a) entered forwarding state
[  184.171154] vxlan_a: left allmulticast mode
[  184.171219] vxlan_a: left promiscuous mode
[  184.171270] br0: port 2(vxlan_a) entered disabled state
[  184.171432] veth_A-C: left allmulticast mode
[  184.171491] veth_A-C: left promiscuous mode
[  184.171531] br0: port 1(veth_A-C) entered disabled state
[  188.822799] br0: port 1(veth_A-C) entered blocking state
[  188.822856] br0: port 1(veth_A-C) entered disabled state
[  188.822925] veth_A-C: entered allmulticast mode
[  188.822993] veth_A-C: entered promiscuous mode
[  188.823051] br0: port 1(veth_A-C) entered blocking state
[  188.823084] br0: port 1(veth_A-C) entered forwarding state
[  188.963446] br0: port 2(vxlan_a) entered blocking state
[  188.963500] br0: port 2(vxlan_a) entered disabled state
[  188.963547] vxlan_a: entered allmulticast mode
[  188.963634] vxlan_a: entered promiscuous mode
[  189.056285] br0: port 2(vxlan_a) entered blocking state
[  189.056354] br0: port 2(vxlan_a) entered forwarding state
[  191.912219] vxlan_a: left allmulticast mode
[  191.912285] vxlan_a: left promiscuous mode
[  191.912354] br0: port 2(vxlan_a) entered disabled state
[  191.912574] veth_A-C: left allmulticast mode
[  191.912636] veth_A-C: left promiscuous mode
[  191.912687] br0: port 1(veth_A-C) entered disabled state
[  196.753580] br0: port 1(veth_A-C) entered blocking state
[  196.753652] br0: port 1(veth_A-C) entered disabled state
[  196.753713] veth_A-C: entered allmulticast mode
[  196.753839] veth_A-C: entered promiscuous mode
[  196.753924] br0: port 1(veth_A-C) entered blocking state
[  196.753965] br0: port 1(veth_A-C) entered forwarding state
[  196.921237] br0: port 2(vxlan_a) entered blocking state
[  196.921296] br0: port 2(vxlan_a) entered disabled state
[  196.921352] vxlan_a: entered allmulticast mode
[  196.921436] vxlan_a: entered promiscuous mode
[  197.011537] br0: port 2(vxlan_a) entered blocking state
[  197.011605] br0: port 2(vxlan_a) entered forwarding state
[  199.810688] vxlan_a: left allmulticast mode
[  199.810752] vxlan_a: left promiscuous mode
[  199.810808] br0: port 2(vxlan_a) entered disabled state
[  199.810935] veth_A-C: left allmulticast mode
[  199.810986] veth_A-C: left promiscuous mode
[  199.811034] br0: port 1(veth_A-C) entered disabled state
[  204.500176] br0: port 1(veth_A-C) entered blocking state
[  204.500235] br0: port 1(veth_A-C) entered disabled state
[  204.500292] veth_A-C: entered allmulticast mode
[  204.500363] veth_A-C: entered promiscuous mode
[  204.500426] br0: port 1(veth_A-C) entered blocking state
[  204.500462] br0: port 1(veth_A-C) entered forwarding state
[  204.648106] br0: port 2(vxlan_a) entered blocking state
[  204.648180] br0: port 2(vxlan_a) entered disabled state
[  204.648241] vxlan_a: entered allmulticast mode
[  204.648320] vxlan_a: entered promiscuous mode
[  204.732462] br0: port 2(vxlan_a) entered blocking state
[  204.732540] br0: port 2(vxlan_a) entered forwarding state
[  207.535407] vxlan_a: left allmulticast mode
[  207.535471] vxlan_a: left promiscuous mode
[  207.535535] br0: port 2(vxlan_a) entered disabled state
[  207.535688] veth_A-C: left allmulticast mode
[  207.535760] veth_A-C: left promiscuous mode
[  207.535806] br0: port 1(veth_A-C) entered disabled state
[  212.326194] br0: port 1(veth_A-C) entered blocking state
[  212.326282] br0: port 1(veth_A-C) entered disabled state
[  212.326361] veth_A-C: entered allmulticast mode
[  212.326463] veth_A-C: entered promiscuous mode
[  212.326557] br0: port 1(veth_A-C) entered blocking state
[  212.326623] br0: port 1(veth_A-C) entered forwarding state
[  212.484738] br0: port 2(vxlan_a) entered blocking state
[  212.484797] br0: port 2(vxlan_a) entered disabled state
[  212.484851] vxlan_a: entered allmulticast mode
[  212.484931] vxlan_a: entered promiscuous mode
[  212.584776] br0: port 2(vxlan_a) entered blocking state
[  212.584854] br0: port 2(vxlan_a) entered forwarding state
[  215.423426] vxlan_a: left allmulticast mode
[  215.423491] vxlan_a: left promiscuous mode
[  215.423545] br0: port 2(vxlan_a) entered disabled state
[  215.423693] veth_A-C: left allmulticast mode
[  215.423750] veth_A-C: left promiscuous mode
[  215.423794] br0: port 1(veth_A-C) entered disabled state
[  220.126103] br0: port 1(veth_A-C) entered blocking state
[  220.126163] br0: port 1(veth_A-C) entered disabled state
[  220.126226] veth_A-C: entered allmulticast mode
[  220.126299] veth_A-C: entered promiscuous mode
[  220.126364] br0: port 1(veth_A-C) entered blocking state
[  220.126402] br0: port 1(veth_A-C) entered forwarding state
[  220.281324] br0: port 2(vxlan_a) entered blocking state
[  220.281391] br0: port 2(vxlan_a) entered disabled state
[  220.281461] vxlan_a: entered allmulticast mode
[  220.281560] vxlan_a: entered promiscuous mode
[  220.366745] br0: port 2(vxlan_a) entered blocking state
[  220.366803] br0: port 2(vxlan_a) entered forwarding state
[  222.736555] ping6 (10484) used greatest stack depth: 11968 bytes left
[  223.155154] vxlan_a: left allmulticast mode
[  223.155217] vxlan_a: left promiscuous mode
[  223.155275] br0: port 2(vxlan_a) entered disabled state
[  223.155442] veth_A-C: left allmulticast mode
[  223.155495] veth_A-C: left promiscuous mode
[  223.155547] br0: port 1(veth_A-C) entered disabled state
[  227.910658] br0: port 1(veth_A-C) entered blocking state
[  227.910730] br0: port 1(veth_A-C) entered disabled state
[  227.910803] veth_A-C: entered allmulticast mode
[  227.910891] veth_A-C: entered promiscuous mode
[  227.910971] br0: port 1(veth_A-C) entered blocking state
[  227.911021] br0: port 1(veth_A-C) entered forwarding state
[  228.072476] br0: port 2(vxlan_a) entered blocking state
[  228.072550] br0: port 2(vxlan_a) entered disabled state
[  228.072626] vxlan_a: entered allmulticast mode
[  228.072715] vxlan_a: entered promiscuous mode
[  228.156911] br0: port 2(vxlan_a) entered blocking state
[  228.156971] br0: port 2(vxlan_a) entered forwarding state
[  230.571216] ping6 (10730) used greatest stack depth: 11944 bytes left
[  231.025772] vxlan_a: left allmulticast mode
[  231.025844] vxlan_a: left promiscuous mode
[  231.025915] br0: port 2(vxlan_a) entered disabled state
[  231.026045] veth_A-C: left allmulticast mode
[  231.026103] veth_A-C: left promiscuous mode
[  231.026150] br0: port 1(veth_A-C) entered disabled state
[  235.809027] br0: port 1(veth_A-C) entered blocking state
[  235.809086] br0: port 1(veth_A-C) entered disabled state
[  235.809146] veth_A-C: entered allmulticast mode
[  235.809219] veth_A-C: entered promiscuous mode
[  235.809284] br0: port 1(veth_A-C) entered blocking state
[  235.809322] br0: port 1(veth_A-C) entered forwarding state
[  235.956873] br0: port 2(geneve_a) entered blocking state
[  235.956950] br0: port 2(geneve_a) entered disabled state
[  235.957025] geneve_a: entered allmulticast mode
[  235.957124] geneve_a: entered promiscuous mode
[  236.034370] br0: port 2(geneve_a) entered blocking state
[  236.034443] br0: port 2(geneve_a) entered forwarding state
[  238.847052] geneve_a: left allmulticast mode
[  238.847132] geneve_a: left promiscuous mode
[  238.847186] br0: port 2(geneve_a) entered disabled state
[  238.847329] veth_A-C: left allmulticast mode
[  238.847383] veth_A-C: left promiscuous mode
[  238.847440] br0: port 1(veth_A-C) entered disabled state
[  243.582428] br0: port 1(veth_A-C) entered blocking state
[  243.582504] br0: port 1(veth_A-C) entered disabled state
[  243.582561] veth_A-C: entered allmulticast mode
[  243.582643] veth_A-C: entered promiscuous mode
[  243.582713] br0: port 1(veth_A-C) entered blocking state
[  243.582758] br0: port 1(veth_A-C) entered forwarding state
[  243.735520] br0: port 2(geneve_a) entered blocking state
[  243.735585] br0: port 2(geneve_a) entered disabled state
[  243.735685] geneve_a: entered allmulticast mode
[  243.735776] geneve_a: entered promiscuous mode
[  243.830064] br0: port 2(geneve_a) entered blocking state
[  243.830131] br0: port 2(geneve_a) entered forwarding state
[  246.621441] geneve_a: left allmulticast mode
[  246.621517] geneve_a: left promiscuous mode
[  246.621575] br0: port 2(geneve_a) entered disabled state
[  246.621726] veth_A-C: left allmulticast mode
[  246.621783] veth_A-C: left promiscuous mode
[  246.621828] br0: port 1(veth_A-C) entered disabled state
[  251.206339] br0: port 1(veth_A-C) entered blocking state
[  251.206428] br0: port 1(veth_A-C) entered disabled state
[  251.206506] veth_A-C: entered allmulticast mode
[  251.206624] veth_A-C: entered promiscuous mode
[  251.206708] br0: port 1(veth_A-C) entered blocking state
[  251.206767] br0: port 1(veth_A-C) entered forwarding state
[  251.357580] br0: port 2(geneve_a) entered blocking state
[  251.357664] br0: port 2(geneve_a) entered disabled state
[  251.357741] geneve_a: entered allmulticast mode
[  251.357838] geneve_a: entered promiscuous mode
[  251.444876] br0: port 2(geneve_a) entered blocking state
[  251.444933] br0: port 2(geneve_a) entered forwarding state
[  254.220705] geneve_a: left allmulticast mode
[  254.220763] geneve_a: left promiscuous mode
[  254.220803] br0: port 2(geneve_a) entered disabled state
[  254.221009] veth_A-C: left allmulticast mode
[  254.221054] veth_A-C: left promiscuous mode
[  254.221084] br0: port 1(veth_A-C) entered disabled state
[  259.086364] br0: port 1(veth_A-C) entered blocking state
[  259.086438] br0: port 1(veth_A-C) entered disabled state
[  259.086515] veth_A-C: entered allmulticast mode
[  259.086627] veth_A-C: entered promiscuous mode
[  259.086720] br0: port 1(veth_A-C) entered blocking state
[  259.086772] br0: port 1(veth_A-C) entered forwarding state
[  259.247291] br0: port 2(geneve_a) entered blocking state
[  259.247351] br0: port 2(geneve_a) entered disabled state
[  259.247414] geneve_a: entered allmulticast mode
[  259.247492] geneve_a: entered promiscuous mode
[  259.340055] br0: port 2(geneve_a) entered blocking state
[  259.340145] br0: port 2(geneve_a) entered forwarding state
[  262.201104] geneve_a: left allmulticast mode
[  262.201186] geneve_a: left promiscuous mode
[  262.201247] br0: port 2(geneve_a) entered disabled state
[  262.201584] veth_A-C: left allmulticast mode
[  262.201672] veth_A-C: left promiscuous mode
[  262.201735] br0: port 1(veth_A-C) entered disabled state
[  267.006954] br0: port 1(veth_A-C) entered blocking state
[  267.007027] br0: port 1(veth_A-C) entered disabled state
[  267.007096] veth_A-C: entered allmulticast mode
[  267.007179] veth_A-C: entered promiscuous mode
[  267.007252] br0: port 1(veth_A-C) entered blocking state
[  267.007299] br0: port 1(veth_A-C) entered forwarding state
[  267.161962] br0: port 2(geneve_a) entered blocking state
[  267.162025] br0: port 2(geneve_a) entered disabled state
[  267.162088] geneve_a: entered allmulticast mode
[  267.162166] geneve_a: entered promiscuous mode
[  267.258703] br0: port 2(geneve_a) entered blocking state
[  267.258786] br0: port 2(geneve_a) entered forwarding state
[  270.126107] geneve_a: left allmulticast mode
[  270.126183] geneve_a: left promiscuous mode
[  270.126237] br0: port 2(geneve_a) entered disabled state
[  270.126606] veth_A-C: left allmulticast mode
[  270.126660] veth_A-C: left promiscuous mode
[  270.126697] br0: port 1(veth_A-C) entered disabled state
[  274.941837] br0: port 1(veth_A-C) entered blocking state
[  274.941910] br0: port 1(veth_A-C) entered disabled state
[  274.941973] veth_A-C: entered allmulticast mode
[  274.942048] veth_A-C: entered promiscuous mode
[  274.942121] br0: port 1(veth_A-C) entered blocking state
[  274.942173] br0: port 1(veth_A-C) entered forwarding state
[  275.087745] br0: port 2(geneve_a) entered blocking state
[  275.087810] br0: port 2(geneve_a) entered disabled state
[  275.087872] geneve_a: entered allmulticast mode
[  275.087960] geneve_a: entered promiscuous mode
[  275.176899] br0: port 2(geneve_a) entered blocking state
[  275.176962] br0: port 2(geneve_a) entered forwarding state
[  277.997051] geneve_a: left allmulticast mode
[  277.997108] geneve_a: left promiscuous mode
[  277.997155] br0: port 2(geneve_a) entered disabled state
[  277.997301] veth_A-C: left allmulticast mode
[  277.997344] veth_A-C: left promiscuous mode
[  277.997389] br0: port 1(veth_A-C) entered disabled state
[  282.842215] br0: port 1(veth_A-C) entered blocking state
[  282.842293] br0: port 1(veth_A-C) entered disabled state
[  282.842370] veth_A-C: entered allmulticast mode
[  282.842461] veth_A-C: entered promiscuous mode
[  282.842542] br0: port 1(veth_A-C) entered blocking state
[  282.842594] br0: port 1(veth_A-C) entered forwarding state
[  283.015367] br0: port 2(geneve_a) entered blocking state
[  283.015440] br0: port 2(geneve_a) entered disabled state
[  283.015507] geneve_a: entered allmulticast mode
[  283.015601] geneve_a: entered promiscuous mode
[  283.117460] br0: port 2(geneve_a) entered blocking state
[  283.117534] br0: port 2(geneve_a) entered forwarding state
[  285.936798] geneve_a: left allmulticast mode
[  285.936868] geneve_a: left promiscuous mode
[  285.936917] br0: port 2(geneve_a) entered disabled state
[  285.937183] veth_A-C: left allmulticast mode
[  285.937224] veth_A-C: left promiscuous mode
[  285.937263] br0: port 1(veth_A-C) entered disabled state
[  290.832474] br0: port 1(veth_A-C) entered blocking state
[  290.832536] br0: port 1(veth_A-C) entered disabled state
[  290.832594] veth_A-C: entered allmulticast mode
[  290.832807] veth_A-C: entered promiscuous mode
[  290.832876] br0: port 1(veth_A-C) entered blocking state
[  290.832914] br0: port 1(veth_A-C) entered forwarding state
[  290.976043] br0: port 2(geneve_a) entered blocking state
[  290.976100] br0: port 2(geneve_a) entered disabled state
[  290.976154] geneve_a: entered allmulticast mode
[  290.976233] geneve_a: entered promiscuous mode
[  291.063203] br0: port 2(geneve_a) entered blocking state
[  291.063269] br0: port 2(geneve_a) entered forwarding state
[  293.881676] geneve_a: left allmulticast mode
[  293.881733] geneve_a: left promiscuous mode
[  293.881771] br0: port 2(geneve_a) entered disabled state
[  293.881875] veth_A-C: left allmulticast mode
[  293.881908] veth_A-C: left promiscuous mode
[  293.881938] br0: port 1(veth_A-C) entered disabled state
[  299.473664] netlink: 'python3': attribute type 2 has an invalid length.
[  299.473990] ovs_br0: entered promiscuous mode
[  300.770043] veth_A-C: entered promiscuous mode
[  302.000212] vxlan_a: entered promiscuous mode
[  318.069083] veth_A-C (unregistering): left promiscuous mode
[  319.478971] vxlan_a: left promiscuous mode
[  321.909403] ovs_br0: left promiscuous mode
[  324.238267] netlink: 'python3': attribute type 2 has an invalid length.
[  324.238595] ovs_br0: entered promiscuous mode
[  325.638605] veth_A-C: entered promiscuous mode
[  326.955177] vxlan_a: entered promiscuous mode
[  337.568250] veth_A-C (unregistering): left promiscuous mode
[  338.785882] vxlan_a: left promiscuous mode
[  341.066854] ovs_br0: left promiscuous mode
[  343.164771] netlink: 'python3': attribute type 2 has an invalid length.
[  343.165081] ovs_br0: entered promiscuous mode
[  344.539468] veth_A-C: entered promiscuous mode
[  345.810020] vxlan_a: entered promiscuous mode
[  356.645098] veth_A-C (unregistering): left promiscuous mode
[  357.914358] vxlan_a: left promiscuous mode
[  360.177232] ovs_br0: left promiscuous mode
[  362.412651] netlink: 'python3': attribute type 2 has an invalid length.
[  362.412998] ovs_br0: entered promiscuous mode
[  363.755979] veth_A-C: entered promiscuous mode
[  365.154591] vxlan_a: entered promiscuous mode
[  376.083118] veth_A-C (unregistering): left promiscuous mode
[  377.374641] vxlan_a: left promiscuous mode
[  379.686536] ovs_br0: left promiscuous mode
[  381.810964] netlink: 'python3': attribute type 2 has an invalid length.
[  381.811269] ovs_br0: entered promiscuous mode
[  383.211891] veth_A-C: entered promiscuous mode
[  384.603656] vxlan_a: entered promiscuous mode
[  395.801263] veth_A-C (unregistering): left promiscuous mode
[  397.059148] vxlan_a: left promiscuous mode
[  399.274808] ovs_br0: left promiscuous mode
[  401.474584] netlink: 'python3': attribute type 2 has an invalid length.
[  401.474895] ovs_br0: entered promiscuous mode
[  402.718651] veth_A-C: entered promiscuous mode
[  404.069791] vxlan_a: entered promiscuous mode
[  414.785093] veth_A-C (unregistering): left promiscuous mode
[  416.042318] vxlan_a: left promiscuous mode
[  418.288895] ovs_br0: left promiscuous mode
[  420.288392] netlink: 'python3': attribute type 2 has an invalid length.
[  420.288713] ovs_br0: entered promiscuous mode
[  421.521861] veth_A-C: entered promiscuous mode
[  422.754996] vxlan_a: entered promiscuous mode
[  433.243166] veth_A-C (unregistering): left promiscuous mode
[  434.488199] vxlan_a: left promiscuous mode
[  436.661856] ovs_br0: left promiscuous mode
[  438.932984] netlink: 'python3': attribute type 2 has an invalid length.
[  438.933253] ovs_br0: entered promiscuous mode
[  440.271540] veth_A-C: entered promiscuous mode
[  441.444451] vxlan_a: entered promiscuous mode
[  451.829983] veth_A-C (unregistering): left promiscuous mode
[  452.976371] vxlan_a: left promiscuous mode
[  455.023670] ovs_br0: left promiscuous mode
[  456.864453] netlink: 'python3': attribute type 2 has an invalid length.
[  456.864742] ovs_br0: entered promiscuous mode
[  458.096415] veth_A-C: entered promiscuous mode
[  459.406190] geneve_a: entered promiscuous mode
[  469.784047] veth_A-C (unregistering): left promiscuous mode
[  471.950208] geneve_a: left promiscuous mode
[  472.918627] ovs_br0: left promiscuous mode
[  474.987503] netlink: 'python3': attribute type 2 has an invalid length.
[  474.987824] ovs_br0: entered promiscuous mode
[  476.277628] veth_A-C: entered promiscuous mode
[  477.515120] geneve_a: entered promiscuous mode
[  488.204113] veth_A-C (unregistering): left promiscuous mode
[  490.382479] geneve_a: left promiscuous mode
[  491.470083] ovs_br0: left promiscuous mode
[  493.504394] netlink: 'python3': attribute type 2 has an invalid length.
[  493.504716] ovs_br0: entered promiscuous mode
[  494.796761] veth_A-C: entered promiscuous mode
[  496.078654] geneve_a: entered promiscuous mode
[  506.135132] veth_A-C (unregistering): left promiscuous mode
[  508.276840] geneve_a: left promiscuous mode
[  509.368055] ovs_br0: left promiscuous mode
[  511.278666] netlink: 'python3': attribute type 2 has an invalid length.
[  511.278975] ovs_br0: entered promiscuous mode
[  512.478482] veth_A-C: entered promiscuous mode
[  513.653512] geneve_a: entered promiscuous mode
[  523.864023] veth_A-C (unregistering): left promiscuous mode
[  526.147053] geneve_a: left promiscuous mode
[  527.204581] ovs_br0: left promiscuous mode
[  529.194206] netlink: 'python3': attribute type 2 has an invalid length.
[  529.194506] ovs_br0: entered promiscuous mode
[  530.487890] veth_A-C: entered promiscuous mode
[  531.630643] geneve_a: entered promiscuous mode
[  541.490244] veth_A-C (unregistering): left promiscuous mode
[  543.698255] geneve_a: left promiscuous mode
[  544.820447] ovs_br0: left promiscuous mode
[  546.956153] netlink: 'python3': attribute type 2 has an invalid length.
[  546.956479] ovs_br0: entered promiscuous mode
[  548.294774] veth_A-C: entered promiscuous mode
[  549.475361] geneve_a: entered promiscuous mode
[  559.896324] veth_A-C (unregistering): left promiscuous mode
[  562.044221] geneve_a: left promiscuous mode
[  562.987535] ovs_br0: left promiscuous mode
[  564.852852] netlink: 'python3': attribute type 2 has an invalid length.
[  564.853166] ovs_br0: entered promiscuous mode
[  566.036784] veth_A-C: entered promiscuous mode
[  567.230206] geneve_a: entered promiscuous mode
[  577.197113] veth_A-C (unregistering): left promiscuous mode
[  579.183528] geneve_a: left promiscuous mode
[  580.142845] ovs_br0: left promiscuous mode
[  582.271774] netlink: 'python3': attribute type 2 has an invalid length.
[  582.272058] ovs_br0: entered promiscuous mode
[  583.429073] veth_A-C: entered promiscuous mode
[  584.598452] geneve_a: entered promiscuous mode
[  594.620977] veth_A-C (unregistering): left promiscuous mode
[  596.811445] geneve_a: left promiscuous mode
[  597.907781] ovs_br0: left promiscuous mode
[  797.869643] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 5
[  807.885686] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 5