[    2.920529] openvswitch: Open vSwitch switching datapath
[    4.608043] ip (293) used greatest stack depth: 12376 bytes left
[    4.933824] ip (317) used greatest stack depth: 12344 bytes left
[   33.274277] tc (1638) used greatest stack depth: 12056 bytes left
[  124.682759] br0: port 1(veth_A-C) entered blocking state
[  124.682836] br0: port 1(veth_A-C) entered disabled state
[  124.682902] veth_A-C: entered allmulticast mode
[  124.682985] veth_A-C: entered promiscuous mode
[  124.683062] br0: port 1(veth_A-C) entered blocking state
[  124.683105] br0: port 1(veth_A-C) entered forwarding state
[  124.843205] br0: port 2(vxlan_a) entered blocking state
[  124.843275] br0: port 2(vxlan_a) entered disabled state
[  124.843343] vxlan_a: entered allmulticast mode
[  124.843437] vxlan_a: entered promiscuous mode
[  124.927910] br0: port 2(vxlan_a) entered blocking state
[  124.927979] br0: port 2(vxlan_a) entered forwarding state
[  127.716520] vxlan_a: left allmulticast mode
[  127.716584] vxlan_a: left promiscuous mode
[  127.716652] br0: port 2(vxlan_a) entered disabled state
[  127.716779] veth_A-C: left allmulticast mode
[  127.716821] veth_A-C: left promiscuous mode
[  127.716860] br0: port 1(veth_A-C) entered disabled state
[  131.911271] br0: port 1(veth_A-C) entered blocking state
[  131.911337] br0: port 1(veth_A-C) entered disabled state
[  131.911389] veth_A-C: entered allmulticast mode
[  131.911463] veth_A-C: entered promiscuous mode
[  131.911526] br0: port 1(veth_A-C) entered blocking state
[  131.911569] br0: port 1(veth_A-C) entered forwarding state
[  132.043500] br0: port 2(vxlan_a) entered blocking state
[  132.043569] br0: port 2(vxlan_a) entered disabled state
[  132.043628] vxlan_a: entered allmulticast mode
[  132.043703] vxlan_a: entered promiscuous mode
[  132.128545] br0: port 2(vxlan_a) entered blocking state
[  132.128622] br0: port 2(vxlan_a) entered forwarding state
[  134.891784] vxlan_a: left allmulticast mode
[  134.891841] vxlan_a: left promiscuous mode
[  134.891894] br0: port 2(vxlan_a) entered disabled state
[  134.892039] veth_A-C: left allmulticast mode
[  134.892089] veth_A-C: left promiscuous mode
[  134.892128] br0: port 1(veth_A-C) entered disabled state
[  139.182612] br0: port 1(veth_A-C) entered blocking state
[  139.182735] br0: port 1(veth_A-C) entered disabled state
[  139.182809] veth_A-C: entered allmulticast mode
[  139.182879] veth_A-C: entered promiscuous mode
[  139.182956] br0: port 1(veth_A-C) entered blocking state
[  139.182990] br0: port 1(veth_A-C) entered forwarding state
[  139.326979] br0: port 2(vxlan_a) entered blocking state
[  139.327037] br0: port 2(vxlan_a) entered disabled state
[  139.327087] vxlan_a: entered allmulticast mode
[  139.327171] vxlan_a: entered promiscuous mode
[  139.420188] br0: port 2(vxlan_a) entered blocking state
[  139.420269] br0: port 2(vxlan_a) entered forwarding state
[  142.166160] vxlan_a: left allmulticast mode
[  142.166207] vxlan_a: left promiscuous mode
[  142.166250] br0: port 2(vxlan_a) entered disabled state
[  142.166375] veth_A-C: left allmulticast mode
[  142.166420] veth_A-C: left promiscuous mode
[  142.166460] br0: port 1(veth_A-C) entered disabled state
[  146.542379] br0: port 1(veth_A-C) entered blocking state
[  146.542438] br0: port 1(veth_A-C) entered disabled state
[  146.542493] veth_A-C: entered allmulticast mode
[  146.542565] veth_A-C: entered promiscuous mode
[  146.542649] br0: port 1(veth_A-C) entered blocking state
[  146.542687] br0: port 1(veth_A-C) entered forwarding state
[  146.705627] br0: port 2(vxlan_a) entered blocking state
[  146.705711] br0: port 2(vxlan_a) entered disabled state
[  146.705770] vxlan_a: entered allmulticast mode
[  146.705846] vxlan_a: entered promiscuous mode
[  146.804758] br0: port 2(vxlan_a) entered blocking state
[  146.804817] br0: port 2(vxlan_a) entered forwarding state
[  149.612999] vxlan_a: left allmulticast mode
[  149.613059] vxlan_a: left promiscuous mode
[  149.613104] br0: port 2(vxlan_a) entered disabled state
[  149.613269] veth_A-C: left allmulticast mode
[  149.613312] veth_A-C: left promiscuous mode
[  149.613367] br0: port 1(veth_A-C) entered disabled state
[  153.886248] br0: port 1(veth_A-C) entered blocking state
[  153.886326] br0: port 1(veth_A-C) entered disabled state
[  153.886395] veth_A-C: entered allmulticast mode
[  153.886491] veth_A-C: entered promiscuous mode
[  153.886580] br0: port 1(veth_A-C) entered blocking state
[  153.886643] br0: port 1(veth_A-C) entered forwarding state
[  154.040123] br0: port 2(vxlan_a) entered blocking state
[  154.040195] br0: port 2(vxlan_a) entered disabled state
[  154.040265] vxlan_a: entered allmulticast mode
[  154.040358] vxlan_a: entered promiscuous mode
[  154.130712] br0: port 2(vxlan_a) entered blocking state
[  154.130783] br0: port 2(vxlan_a) entered forwarding state
[  156.934432] vxlan_a: left allmulticast mode
[  156.934508] vxlan_a: left promiscuous mode
[  156.934571] br0: port 2(vxlan_a) entered disabled state
[  156.934889] veth_A-C: left allmulticast mode
[  156.934952] veth_A-C: left promiscuous mode
[  156.935005] br0: port 1(veth_A-C) entered disabled state
[  161.248951] br0: port 1(veth_A-C) entered blocking state
[  161.249018] br0: port 1(veth_A-C) entered disabled state
[  161.249082] veth_A-C: entered allmulticast mode
[  161.249166] veth_A-C: entered promiscuous mode
[  161.249241] br0: port 1(veth_A-C) entered blocking state
[  161.249290] br0: port 1(veth_A-C) entered forwarding state
[  161.398035] br0: port 2(vxlan_a) entered blocking state
[  161.398108] br0: port 2(vxlan_a) entered disabled state
[  161.398175] vxlan_a: entered allmulticast mode
[  161.398272] vxlan_a: entered promiscuous mode
[  161.489431] br0: port 2(vxlan_a) entered blocking state
[  161.489504] br0: port 2(vxlan_a) entered forwarding state
[  164.273088] vxlan_a: left allmulticast mode
[  164.273144] vxlan_a: left promiscuous mode
[  164.273188] br0: port 2(vxlan_a) entered disabled state
[  164.273367] veth_A-C: left allmulticast mode
[  164.273408] veth_A-C: left promiscuous mode
[  164.273449] br0: port 1(veth_A-C) entered disabled state
[  168.463352] br0: port 1(veth_A-C) entered blocking state
[  168.463402] br0: port 1(veth_A-C) entered disabled state
[  168.463447] veth_A-C: entered allmulticast mode
[  168.463508] veth_A-C: entered promiscuous mode
[  168.463561] br0: port 1(veth_A-C) entered blocking state
[  168.463592] br0: port 1(veth_A-C) entered forwarding state
[  168.597049] br0: port 2(vxlan_a) entered blocking state
[  168.597123] br0: port 2(vxlan_a) entered disabled state
[  168.597186] vxlan_a: entered allmulticast mode
[  168.597259] vxlan_a: entered promiscuous mode
[  168.676087] br0: port 2(vxlan_a) entered blocking state
[  168.676136] br0: port 2(vxlan_a) entered forwarding state
[  171.064343] ping6 (6033) used greatest stack depth: 11968 bytes left
[  171.477463] vxlan_a: left allmulticast mode
[  171.477518] vxlan_a: left promiscuous mode
[  171.477565] br0: port 2(vxlan_a) entered disabled state
[  171.477690] veth_A-C: left allmulticast mode
[  171.477728] veth_A-C: left promiscuous mode
[  171.477770] br0: port 1(veth_A-C) entered disabled state
[  175.537495] br0: port 1(veth_A-C) entered blocking state
[  175.537573] br0: port 1(veth_A-C) entered disabled state
[  175.537642] veth_A-C: entered allmulticast mode
[  175.537740] veth_A-C: entered promiscuous mode
[  175.537825] br0: port 1(veth_A-C) entered blocking state
[  175.537879] br0: port 1(veth_A-C) entered forwarding state
[  175.697237] br0: port 2(vxlan_a) entered blocking state
[  175.697317] br0: port 2(vxlan_a) entered disabled state
[  175.697382] vxlan_a: entered allmulticast mode
[  175.697468] vxlan_a: entered promiscuous mode
[  175.785312] br0: port 2(vxlan_a) entered blocking state
[  175.785389] br0: port 2(vxlan_a) entered forwarding state
[  178.575646] vxlan_a: left allmulticast mode
[  178.575709] vxlan_a: left promiscuous mode
[  178.575766] br0: port 2(vxlan_a) entered disabled state
[  178.575921] veth_A-C: left allmulticast mode
[  178.575980] veth_A-C: left promiscuous mode
[  178.576039] br0: port 1(veth_A-C) entered disabled state
[  182.488596] br0: port 1(veth_A-C) entered blocking state
[  182.488682] br0: port 1(veth_A-C) entered disabled state
[  182.488749] veth_A-C: entered allmulticast mode
[  182.488844] veth_A-C: entered promiscuous mode
[  182.488933] br0: port 1(veth_A-C) entered blocking state
[  182.488982] br0: port 1(veth_A-C) entered forwarding state
[  182.631937] br0: port 2(geneve_a) entered blocking state
[  182.631993] br0: port 2(geneve_a) entered disabled state
[  182.632044] geneve_a: entered allmulticast mode
[  182.632123] geneve_a: entered promiscuous mode
[  182.718882] br0: port 2(geneve_a) entered blocking state
[  182.718960] br0: port 2(geneve_a) entered forwarding state
[  185.463782] geneve_a: left allmulticast mode
[  185.463866] geneve_a: left promiscuous mode
[  185.463929] br0: port 2(geneve_a) entered disabled state
[  185.464132] veth_A-C: left allmulticast mode
[  185.464187] veth_A-C: left promiscuous mode
[  185.464227] br0: port 1(veth_A-C) entered disabled state
[  189.611839] br0: port 1(veth_A-C) entered blocking state
[  189.611899] br0: port 1(veth_A-C) entered disabled state
[  189.611952] veth_A-C: entered allmulticast mode
[  189.612034] veth_A-C: entered promiscuous mode
[  189.612107] br0: port 1(veth_A-C) entered blocking state
[  189.612147] br0: port 1(veth_A-C) entered forwarding state
[  189.762350] br0: port 2(geneve_a) entered blocking state
[  189.762406] br0: port 2(geneve_a) entered disabled state
[  189.762458] geneve_a: entered allmulticast mode
[  189.762531] geneve_a: entered promiscuous mode
[  189.863066] br0: port 2(geneve_a) entered blocking state
[  189.863134] br0: port 2(geneve_a) entered forwarding state
[  192.659081] geneve_a: left allmulticast mode
[  192.659168] geneve_a: left promiscuous mode
[  192.659241] br0: port 2(geneve_a) entered disabled state
[  192.659412] veth_A-C: left allmulticast mode
[  192.659486] veth_A-C: left promiscuous mode
[  192.659542] br0: port 1(veth_A-C) entered disabled state
[  196.891189] br0: port 1(veth_A-C) entered blocking state
[  196.891267] br0: port 1(veth_A-C) entered disabled state
[  196.891333] veth_A-C: entered allmulticast mode
[  196.891428] veth_A-C: entered promiscuous mode
[  196.891517] br0: port 1(veth_A-C) entered blocking state
[  196.891569] br0: port 1(veth_A-C) entered forwarding state
[  197.049809] br0: port 2(geneve_a) entered blocking state
[  197.049881] br0: port 2(geneve_a) entered disabled state
[  197.049947] geneve_a: entered allmulticast mode
[  197.050030] geneve_a: entered promiscuous mode
[  197.140450] br0: port 2(geneve_a) entered blocking state
[  197.140522] br0: port 2(geneve_a) entered forwarding state
[  199.950817] geneve_a: left allmulticast mode
[  199.950900] geneve_a: left promiscuous mode
[  199.950966] br0: port 2(geneve_a) entered disabled state
[  199.951123] veth_A-C: left allmulticast mode
[  199.951183] veth_A-C: left promiscuous mode
[  199.951233] br0: port 1(veth_A-C) entered disabled state
[  203.950657] br0: port 1(veth_A-C) entered blocking state
[  203.950716] br0: port 1(veth_A-C) entered disabled state
[  203.950763] veth_A-C: entered allmulticast mode
[  203.950825] veth_A-C: entered promiscuous mode
[  203.950881] br0: port 1(veth_A-C) entered blocking state
[  203.950915] br0: port 1(veth_A-C) entered forwarding state
[  204.076574] br0: port 2(geneve_a) entered blocking state
[  204.076644] br0: port 2(geneve_a) entered disabled state
[  204.076697] geneve_a: entered allmulticast mode
[  204.076768] geneve_a: entered promiscuous mode
[  204.155230] br0: port 2(geneve_a) entered blocking state
[  204.155317] br0: port 2(geneve_a) entered forwarding state
[  206.867718] geneve_a: left allmulticast mode
[  206.867775] geneve_a: left promiscuous mode
[  206.867827] br0: port 2(geneve_a) entered disabled state
[  206.867967] veth_A-C: left allmulticast mode
[  206.868008] veth_A-C: left promiscuous mode
[  206.868046] br0: port 1(veth_A-C) entered disabled state
[  210.929674] br0: port 1(veth_A-C) entered blocking state
[  210.929742] br0: port 1(veth_A-C) entered disabled state
[  210.929802] veth_A-C: entered allmulticast mode
[  210.929888] veth_A-C: entered promiscuous mode
[  210.929960] br0: port 1(veth_A-C) entered blocking state
[  210.930003] br0: port 1(veth_A-C) entered forwarding state
[  211.058138] br0: port 2(geneve_a) entered blocking state
[  211.058206] br0: port 2(geneve_a) entered disabled state
[  211.058262] geneve_a: entered allmulticast mode
[  211.058343] geneve_a: entered promiscuous mode
[  211.132961] br0: port 2(geneve_a) entered blocking state
[  211.133014] br0: port 2(geneve_a) entered forwarding state
[  213.877374] geneve_a: left allmulticast mode
[  213.877436] geneve_a: left promiscuous mode
[  213.877478] br0: port 2(geneve_a) entered disabled state
[  213.877631] veth_A-C: left allmulticast mode
[  213.877675] veth_A-C: left promiscuous mode
[  213.877728] br0: port 1(veth_A-C) entered disabled state
[  217.935387] br0: port 1(veth_A-C) entered blocking state
[  217.935442] br0: port 1(veth_A-C) entered disabled state
[  217.935491] veth_A-C: entered allmulticast mode
[  217.935559] veth_A-C: entered promiscuous mode
[  217.935637] br0: port 1(veth_A-C) entered blocking state
[  217.935668] br0: port 1(veth_A-C) entered forwarding state
[  218.089055] br0: port 2(geneve_a) entered blocking state
[  218.089116] br0: port 2(geneve_a) entered disabled state
[  218.089169] geneve_a: entered allmulticast mode
[  218.089260] geneve_a: entered promiscuous mode
[  218.178292] br0: port 2(geneve_a) entered blocking state
[  218.178377] br0: port 2(geneve_a) entered forwarding state
[  220.962089] geneve_a: left allmulticast mode
[  220.962165] geneve_a: left promiscuous mode
[  220.962219] br0: port 2(geneve_a) entered disabled state
[  220.962525] veth_A-C: left allmulticast mode
[  220.962579] veth_A-C: left promiscuous mode
[  220.962629] br0: port 1(veth_A-C) entered disabled state
[  225.032967] br0: port 1(veth_A-C) entered blocking state
[  225.033038] br0: port 1(veth_A-C) entered disabled state
[  225.033105] veth_A-C: entered allmulticast mode
[  225.033213] veth_A-C: entered promiscuous mode
[  225.033301] br0: port 1(veth_A-C) entered blocking state
[  225.033350] br0: port 1(veth_A-C) entered forwarding state
[  225.193449] br0: port 2(geneve_a) entered blocking state
[  225.193507] br0: port 2(geneve_a) entered disabled state
[  225.193561] geneve_a: entered allmulticast mode
[  225.193655] geneve_a: entered promiscuous mode
[  225.290546] br0: port 2(geneve_a) entered blocking state
[  225.290605] br0: port 2(geneve_a) entered forwarding state
[  228.050537] geneve_a: left allmulticast mode
[  228.050601] geneve_a: left promiscuous mode
[  228.050656] br0: port 2(geneve_a) entered disabled state
[  228.050777] veth_A-C: left allmulticast mode
[  228.050830] veth_A-C: left promiscuous mode
[  228.050877] br0: port 1(veth_A-C) entered disabled state
[  232.045490] br0: port 1(veth_A-C) entered blocking state
[  232.045549] br0: port 1(veth_A-C) entered disabled state
[  232.045599] veth_A-C: entered allmulticast mode
[  232.045702] veth_A-C: entered promiscuous mode
[  232.045769] br0: port 1(veth_A-C) entered blocking state
[  232.045807] br0: port 1(veth_A-C) entered forwarding state
[  232.182799] br0: port 2(geneve_a) entered blocking state
[  232.182882] br0: port 2(geneve_a) entered disabled state
[  232.182952] geneve_a: entered allmulticast mode
[  232.183051] geneve_a: entered promiscuous mode
[  232.264613] br0: port 2(geneve_a) entered blocking state
[  232.264690] br0: port 2(geneve_a) entered forwarding state
[  234.995230] geneve_a: left allmulticast mode
[  234.995284] geneve_a: left promiscuous mode
[  234.995323] br0: port 2(geneve_a) entered disabled state
[  234.995441] veth_A-C: left allmulticast mode
[  234.995496] veth_A-C: left promiscuous mode
[  234.995551] br0: port 1(veth_A-C) entered disabled state
[  239.644574] netlink: 'python3': attribute type 2 has an invalid length.
[  239.644912] ovs_br0: entered promiscuous mode
[  240.761543] veth_A-C: entered promiscuous mode
[  241.787939] vxlan_a: entered promiscuous mode
[  251.054165] veth_A-C (unregistering): left promiscuous mode
[  251.986732] vxlan_a: left promiscuous mode
[  253.760567] ovs_br0: left promiscuous mode
[  255.513823] netlink: 'python3': attribute type 2 has an invalid length.
[  255.514108] ovs_br0: entered promiscuous mode
[  256.578789] veth_A-C: entered promiscuous mode
[  257.667305] vxlan_a: entered promiscuous mode
[  267.249020] veth_A-C (unregistering): left promiscuous mode
[  268.243658] vxlan_a: left promiscuous mode
[  270.192519] ovs_br0: left promiscuous mode
[  272.095161] netlink: 'python3': attribute type 2 has an invalid length.
[  272.095507] ovs_br0: entered promiscuous mode
[  273.173067] veth_A-C: entered promiscuous mode
[  274.268730] vxlan_a: entered promiscuous mode
[  283.550999] veth_A-C (unregistering): left promiscuous mode
[  284.563717] vxlan_a: left promiscuous mode
[  286.444532] ovs_br0: left promiscuous mode
[  288.413320] netlink: 'python3': attribute type 2 has an invalid length.
[  288.413635] ovs_br0: entered promiscuous mode
[  289.546273] veth_A-C: entered promiscuous mode
[  290.622433] vxlan_a: entered promiscuous mode
[  300.101122] veth_A-C (unregistering): left promiscuous mode
[  301.090292] vxlan_a: left promiscuous mode
[  302.836897] ovs_br0: left promiscuous mode
[  304.769060] netlink: 'python3': attribute type 2 has an invalid length.
[  304.769367] ovs_br0: entered promiscuous mode
[  306.063026] veth_A-C: entered promiscuous mode
[  307.198226] vxlan_a: entered promiscuous mode
[  316.603068] veth_A-C (unregistering): left promiscuous mode
[  317.573576] vxlan_a: left promiscuous mode
[  319.458792] ovs_br0: left promiscuous mode
[  321.216494] netlink: 'python3': attribute type 2 has an invalid length.
[  321.216783] ovs_br0: entered promiscuous mode
[  322.398675] veth_A-C: entered promiscuous mode
[  323.436851] vxlan_a: entered promiscuous mode
[  333.068324] veth_A-C (unregistering): left promiscuous mode
[  334.117277] vxlan_a: left promiscuous mode
[  336.067032] ovs_br0: left promiscuous mode
[  337.916126] netlink: 'python3': attribute type 2 has an invalid length.
[  337.916371] ovs_br0: entered promiscuous mode
[  338.993447] veth_A-C: entered promiscuous mode
[  340.145123] vxlan_a: entered promiscuous mode
[  350.026988] veth_A-C (unregistering): left promiscuous mode
[  351.096957] vxlan_a: left promiscuous mode
[  353.067595] ovs_br0: left promiscuous mode
[  355.046354] netlink: 'python3': attribute type 2 has an invalid length.
[  355.046641] ovs_br0: entered promiscuous mode
[  356.227945] veth_A-C: entered promiscuous mode
[  357.346903] vxlan_a: entered promiscuous mode
[  366.791989] veth_A-C (unregistering): left promiscuous mode
[  367.853269] vxlan_a: left promiscuous mode
[  369.745339] ovs_br0: left promiscuous mode
[  371.603927] netlink: 'python3': attribute type 2 has an invalid length.
[  371.604210] ovs_br0: entered promiscuous mode
[  372.767218] veth_A-C: entered promiscuous mode
[  373.775859] geneve_a: entered promiscuous mode
[  383.471027] veth_A-C (unregistering): left promiscuous mode
[  385.569330] geneve_a: left promiscuous mode
[  386.623477] ovs_br0: left promiscuous mode
[  388.598675] netlink: 'python3': attribute type 2 has an invalid length.
[  388.598979] ovs_br0: entered promiscuous mode
[  389.783559] veth_A-C: entered promiscuous mode
[  390.880950] geneve_a: entered promiscuous mode
[  400.462081] veth_A-C (unregistering): left promiscuous mode
[  402.637268] geneve_a: left promiscuous mode
[  403.643818] ovs_br0: left promiscuous mode
[  405.635291] netlink: 'python3': attribute type 2 has an invalid length.
[  405.635633] ovs_br0: entered promiscuous mode
[  406.825121] veth_A-C: entered promiscuous mode
[  407.954876] geneve_a: entered promiscuous mode
[  417.671176] veth_A-C (unregistering): left promiscuous mode
[  419.734314] geneve_a: left promiscuous mode
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[  422.752445] netlink: 'python3': attribute type 2 has an invalid length.
[  422.752749] ovs_br0: entered promiscuous mode
[  423.861230] veth_A-C: entered promiscuous mode
[  424.968067] geneve_a: entered promiscuous mode
[  434.973154] veth_A-C (unregistering): left promiscuous mode
[  437.075853] geneve_a: left promiscuous mode
[  438.110846] ovs_br0: left promiscuous mode
[  440.008125] netlink: 'python3': attribute type 2 has an invalid length.
[  440.008427] ovs_br0: entered promiscuous mode
[  441.152256] veth_A-C: entered promiscuous mode
[  442.248370] geneve_a: entered promiscuous mode
[  451.776348] veth_A-C (unregistering): left promiscuous mode
[  453.785100] geneve_a: left promiscuous mode
[  454.785295] ovs_br0: left promiscuous mode
[  456.835478] netlink: 'python3': attribute type 2 has an invalid length.
[  456.835821] ovs_br0: entered promiscuous mode
[  457.992128] veth_A-C: entered promiscuous mode
[  459.112214] geneve_a: entered promiscuous mode
[  468.716495] veth_A-C (unregistering): left promiscuous mode
[  470.619096] geneve_a: left promiscuous mode
[  471.573740] ovs_br0: left promiscuous mode
[  473.398468] netlink: 'python3': attribute type 2 has an invalid length.
[  473.398808] ovs_br0: entered promiscuous mode
[  474.503426] veth_A-C: entered promiscuous mode
[  475.596156] geneve_a: entered promiscuous mode
[  486.067286] veth_A-C (unregistering): left promiscuous mode
[  491.569022] geneve_a: left promiscuous mode
[  493.195353] ovs_br0: left promiscuous mode
[  495.817237] netlink: 'python3': attribute type 2 has an invalid length.
[  495.817587] ovs_br0: entered promiscuous mode
[  497.097740] veth_A-C: entered promiscuous mode
[  498.411595] geneve_a: entered promiscuous mode
[  509.256152] veth_A-C (unregistering): left promiscuous mode
[  511.428774] geneve_a: left promiscuous mode
[  512.532732] ovs_br0: left promiscuous mode
[  627.160804] Initializing XFRM netlink socket
[  707.922640] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 5