[    3.058768] openvswitch: Open vSwitch switching datapath
[    5.214841] ip (317) used greatest stack depth: 12272 bytes left
[   23.357724] tc (1152) used greatest stack depth: 11992 bytes left
[  138.971035] br0: port 1(veth_A-C) entered blocking state
[  138.971111] br0: port 1(veth_A-C) entered disabled state
[  138.971168] veth_A-C: entered allmulticast mode
[  138.971260] veth_A-C: entered promiscuous mode
[  138.971340] br0: port 1(veth_A-C) entered blocking state
[  138.971384] br0: port 1(veth_A-C) entered forwarding state
[  139.141973] br0: port 2(vxlan_a) entered blocking state
[  139.142034] br0: port 2(vxlan_a) entered disabled state
[  139.142093] vxlan_a: entered allmulticast mode
[  139.142171] vxlan_a: entered promiscuous mode
[  139.241189] br0: port 2(vxlan_a) entered blocking state
[  139.241259] br0: port 2(vxlan_a) entered forwarding state
[  142.057372] vxlan_a: left allmulticast mode
[  142.057431] vxlan_a: left promiscuous mode
[  142.057477] br0: port 2(vxlan_a) entered disabled state
[  142.057629] veth_A-C: left allmulticast mode
[  142.057680] veth_A-C: left promiscuous mode
[  142.057728] br0: port 1(veth_A-C) entered disabled state
[  146.653246] br0: port 1(veth_A-C) entered blocking state
[  146.653299] br0: port 1(veth_A-C) entered disabled state
[  146.653350] veth_A-C: entered allmulticast mode
[  146.653415] veth_A-C: entered promiscuous mode
[  146.653476] br0: port 1(veth_A-C) entered blocking state
[  146.653512] br0: port 1(veth_A-C) entered forwarding state
[  146.800879] br0: port 2(vxlan_a) entered blocking state
[  146.800978] br0: port 2(vxlan_a) entered disabled state
[  146.801040] vxlan_a: entered allmulticast mode
[  146.801144] vxlan_a: entered promiscuous mode
[  146.894812] br0: port 2(vxlan_a) entered blocking state
[  146.894882] br0: port 2(vxlan_a) entered forwarding state
[  149.672354] vxlan_a: left allmulticast mode
[  149.672408] vxlan_a: left promiscuous mode
[  149.672452] br0: port 2(vxlan_a) entered disabled state
[  149.672563] veth_A-C: left allmulticast mode
[  149.672601] veth_A-C: left promiscuous mode
[  149.672640] br0: port 1(veth_A-C) entered disabled state
[  153.948405] br0: port 1(veth_A-C) entered blocking state
[  153.948461] br0: port 1(veth_A-C) entered disabled state
[  153.948519] veth_A-C: entered allmulticast mode
[  153.948596] veth_A-C: entered promiscuous mode
[  153.948663] br0: port 1(veth_A-C) entered blocking state
[  153.948699] br0: port 1(veth_A-C) entered forwarding state
[  154.096271] br0: port 2(vxlan_a) entered blocking state
[  154.096346] br0: port 2(vxlan_a) entered disabled state
[  154.096416] vxlan_a: entered allmulticast mode
[  154.096509] vxlan_a: entered promiscuous mode
[  154.188936] br0: port 2(vxlan_a) entered blocking state
[  154.189024] br0: port 2(vxlan_a) entered forwarding state
[  156.978872] vxlan_a: left allmulticast mode
[  156.978929] vxlan_a: left promiscuous mode
[  156.978988] br0: port 2(vxlan_a) entered disabled state
[  156.979111] veth_A-C: left allmulticast mode
[  156.979315] veth_A-C: left promiscuous mode
[  156.979370] br0: port 1(veth_A-C) entered disabled state
[  161.182198] br0: port 1(veth_A-C) entered blocking state
[  161.182261] br0: port 1(veth_A-C) entered disabled state
[  161.182322] veth_A-C: entered allmulticast mode
[  161.182398] veth_A-C: entered promiscuous mode
[  161.182467] br0: port 1(veth_A-C) entered blocking state
[  161.182509] br0: port 1(veth_A-C) entered forwarding state
[  161.324497] br0: port 2(vxlan_a) entered blocking state
[  161.324550] br0: port 2(vxlan_a) entered disabled state
[  161.324597] vxlan_a: entered allmulticast mode
[  161.324677] vxlan_a: entered promiscuous mode
[  161.396623] br0: port 2(vxlan_a) entered blocking state
[  161.396678] br0: port 2(vxlan_a) entered forwarding state
[  164.124150] vxlan_a: left allmulticast mode
[  164.124197] vxlan_a: left promiscuous mode
[  164.124237] br0: port 2(vxlan_a) entered disabled state
[  164.124347] veth_A-C: left allmulticast mode
[  164.124380] veth_A-C: left promiscuous mode
[  164.124409] br0: port 1(veth_A-C) entered disabled state
[  168.517603] br0: port 1(veth_A-C) entered blocking state
[  168.517666] br0: port 1(veth_A-C) entered disabled state
[  168.517717] veth_A-C: entered allmulticast mode
[  168.517790] veth_A-C: entered promiscuous mode
[  168.517858] br0: port 1(veth_A-C) entered blocking state
[  168.517897] br0: port 1(veth_A-C) entered forwarding state
[  168.674306] br0: port 2(vxlan_a) entered blocking state
[  168.674369] br0: port 2(vxlan_a) entered disabled state
[  168.674421] vxlan_a: entered allmulticast mode
[  168.674497] vxlan_a: entered promiscuous mode
[  168.766693] br0: port 2(vxlan_a) entered blocking state
[  168.766765] br0: port 2(vxlan_a) entered forwarding state
[  171.619331] vxlan_a: left allmulticast mode
[  171.619384] vxlan_a: left promiscuous mode
[  171.619430] br0: port 2(vxlan_a) entered disabled state
[  171.619560] veth_A-C: left allmulticast mode
[  171.619621] veth_A-C: left promiscuous mode
[  171.619677] br0: port 1(veth_A-C) entered disabled state
[  176.170190] br0: port 1(veth_A-C) entered blocking state
[  176.170252] br0: port 1(veth_A-C) entered disabled state
[  176.170305] veth_A-C: entered allmulticast mode
[  176.170374] veth_A-C: entered promiscuous mode
[  176.170440] br0: port 1(veth_A-C) entered blocking state
[  176.170480] br0: port 1(veth_A-C) entered forwarding state
[  176.306898] br0: port 2(vxlan_a) entered blocking state
[  176.306969] br0: port 2(vxlan_a) entered disabled state
[  176.307027] vxlan_a: entered allmulticast mode
[  176.307107] vxlan_a: entered promiscuous mode
[  176.398508] br0: port 2(vxlan_a) entered blocking state
[  176.398569] br0: port 2(vxlan_a) entered forwarding state
[  179.188702] vxlan_a: left allmulticast mode
[  179.188754] vxlan_a: left promiscuous mode
[  179.188802] br0: port 2(vxlan_a) entered disabled state
[  179.189141] veth_A-C: left allmulticast mode
[  179.189191] veth_A-C: left promiscuous mode
[  179.189233] br0: port 1(veth_A-C) entered disabled state
[  183.603334] br0: port 1(veth_A-C) entered blocking state
[  183.603397] br0: port 1(veth_A-C) entered disabled state
[  183.603452] veth_A-C: entered allmulticast mode
[  183.603524] veth_A-C: entered promiscuous mode
[  183.603597] br0: port 1(veth_A-C) entered blocking state
[  183.603635] br0: port 1(veth_A-C) entered forwarding state
[  183.762223] br0: port 2(vxlan_a) entered blocking state
[  183.762297] br0: port 2(vxlan_a) entered disabled state
[  183.762358] vxlan_a: entered allmulticast mode
[  183.762442] vxlan_a: entered promiscuous mode
[  183.847444] br0: port 2(vxlan_a) entered blocking state
[  183.847513] br0: port 2(vxlan_a) entered forwarding state
[  186.246330] ping6 (6334) used greatest stack depth: 11952 bytes left
[  186.681533] vxlan_a: left allmulticast mode
[  186.681602] vxlan_a: left promiscuous mode
[  186.681664] br0: port 2(vxlan_a) entered disabled state
[  186.681853] veth_A-C: left allmulticast mode
[  186.681908] veth_A-C: left promiscuous mode
[  186.681977] br0: port 1(veth_A-C) entered disabled state
[  191.216785] br0: port 1(veth_A-C) entered blocking state
[  191.216857] br0: port 1(veth_A-C) entered disabled state
[  191.216916] veth_A-C: entered allmulticast mode
[  191.217013] veth_A-C: entered promiscuous mode
[  191.217086] br0: port 1(veth_A-C) entered blocking state
[  191.217130] br0: port 1(veth_A-C) entered forwarding state
[  191.360341] br0: port 2(vxlan_a) entered blocking state
[  191.360395] br0: port 2(vxlan_a) entered disabled state
[  191.360440] vxlan_a: entered allmulticast mode
[  191.360516] vxlan_a: entered promiscuous mode
[  191.447513] br0: port 2(vxlan_a) entered blocking state
[  191.447578] br0: port 2(vxlan_a) entered forwarding state
[  193.815315] ping6 (6580) used greatest stack depth: 11928 bytes left
[  194.275401] vxlan_a: left allmulticast mode
[  194.275461] vxlan_a: left promiscuous mode
[  194.275519] br0: port 2(vxlan_a) entered disabled state
[  194.275821] veth_A-C: left allmulticast mode
[  194.275862] veth_A-C: left promiscuous mode
[  194.275899] br0: port 1(veth_A-C) entered disabled state
[  198.799584] br0: port 1(veth_A-C) entered blocking state
[  198.799648] br0: port 1(veth_A-C) entered disabled state
[  198.799696] veth_A-C: entered allmulticast mode
[  198.799768] veth_A-C: entered promiscuous mode
[  198.799833] br0: port 1(veth_A-C) entered blocking state
[  198.799866] br0: port 1(veth_A-C) entered forwarding state
[  198.937538] br0: port 2(geneve_a) entered blocking state
[  198.937595] br0: port 2(geneve_a) entered disabled state
[  198.937649] geneve_a: entered allmulticast mode
[  198.937722] geneve_a: entered promiscuous mode
[  199.028356] br0: port 2(geneve_a) entered blocking state
[  199.028411] br0: port 2(geneve_a) entered forwarding state
[  201.774235] geneve_a: left allmulticast mode
[  201.774298] geneve_a: left promiscuous mode
[  201.774344] br0: port 2(geneve_a) entered disabled state
[  201.774458] veth_A-C: left allmulticast mode
[  201.774504] veth_A-C: left promiscuous mode
[  201.774551] br0: port 1(veth_A-C) entered disabled state
[  206.448359] br0: port 1(veth_A-C) entered blocking state
[  206.448432] br0: port 1(veth_A-C) entered disabled state
[  206.448489] veth_A-C: entered allmulticast mode
[  206.448578] veth_A-C: entered promiscuous mode
[  206.448656] br0: port 1(veth_A-C) entered blocking state
[  206.448697] br0: port 1(veth_A-C) entered forwarding state
[  206.622465] br0: port 2(geneve_a) entered blocking state
[  206.622544] br0: port 2(geneve_a) entered disabled state
[  206.622615] geneve_a: entered allmulticast mode
[  206.622715] geneve_a: entered promiscuous mode
[  206.722708] br0: port 2(geneve_a) entered blocking state
[  206.722784] br0: port 2(geneve_a) entered forwarding state
[  209.610747] geneve_a: left allmulticast mode
[  209.610817] geneve_a: left promiscuous mode
[  209.610876] br0: port 2(geneve_a) entered disabled state
[  209.611047] veth_A-C: left allmulticast mode
[  209.611102] veth_A-C: left promiscuous mode
[  209.611140] br0: port 1(veth_A-C) entered disabled state
[  214.070283] br0: port 1(veth_A-C) entered blocking state
[  214.070339] br0: port 1(veth_A-C) entered disabled state
[  214.070392] veth_A-C: entered allmulticast mode
[  214.070461] veth_A-C: entered promiscuous mode
[  214.070523] br0: port 1(veth_A-C) entered blocking state
[  214.070558] br0: port 1(veth_A-C) entered forwarding state
[  214.240713] br0: port 2(geneve_a) entered blocking state
[  214.240788] br0: port 2(geneve_a) entered disabled state
[  214.240839] geneve_a: entered allmulticast mode
[  214.240910] geneve_a: entered promiscuous mode
[  214.340621] br0: port 2(geneve_a) entered blocking state
[  214.340696] br0: port 2(geneve_a) entered forwarding state
[  217.199054] geneve_a: left allmulticast mode
[  217.199133] geneve_a: left promiscuous mode
[  217.199198] br0: port 2(geneve_a) entered disabled state
[  217.199365] veth_A-C: left allmulticast mode
[  217.199424] veth_A-C: left promiscuous mode
[  217.199483] br0: port 1(veth_A-C) entered disabled state
[  221.597146] br0: port 1(veth_A-C) entered blocking state
[  221.597216] br0: port 1(veth_A-C) entered disabled state
[  221.597281] veth_A-C: entered allmulticast mode
[  221.597362] veth_A-C: entered promiscuous mode
[  221.597441] br0: port 1(veth_A-C) entered blocking state
[  221.597486] br0: port 1(veth_A-C) entered forwarding state
[  221.751589] br0: port 2(geneve_a) entered blocking state
[  221.751654] br0: port 2(geneve_a) entered disabled state
[  221.751710] geneve_a: entered allmulticast mode
[  221.751800] geneve_a: entered promiscuous mode
[  221.854630] br0: port 2(geneve_a) entered blocking state
[  221.854703] br0: port 2(geneve_a) entered forwarding state
[  224.706250] geneve_a: left allmulticast mode
[  224.706325] geneve_a: left promiscuous mode
[  224.706384] br0: port 2(geneve_a) entered disabled state
[  224.706585] veth_A-C: left allmulticast mode
[  224.706652] veth_A-C: left promiscuous mode
[  224.706699] br0: port 1(veth_A-C) entered disabled state
[  228.932240] br0: port 1(veth_A-C) entered blocking state
[  228.932313] br0: port 1(veth_A-C) entered disabled state
[  228.932377] veth_A-C: entered allmulticast mode
[  228.932469] veth_A-C: entered promiscuous mode
[  228.932553] br0: port 1(veth_A-C) entered blocking state
[  228.932603] br0: port 1(veth_A-C) entered forwarding state
[  229.081913] br0: port 2(geneve_a) entered blocking state
[  229.081987] br0: port 2(geneve_a) entered disabled state
[  229.082047] geneve_a: entered allmulticast mode
[  229.082121] geneve_a: entered promiscuous mode
[  229.168977] br0: port 2(geneve_a) entered blocking state
[  229.169040] br0: port 2(geneve_a) entered forwarding state
[  231.967771] geneve_a: left allmulticast mode
[  231.967839] geneve_a: left promiscuous mode
[  231.967888] br0: port 2(geneve_a) entered disabled state
[  231.968234] veth_A-C: left allmulticast mode
[  231.968283] veth_A-C: left promiscuous mode
[  231.968319] br0: port 1(veth_A-C) entered disabled state
[  236.423857] br0: port 1(veth_A-C) entered blocking state
[  236.423931] br0: port 1(veth_A-C) entered disabled state
[  236.424007] veth_A-C: entered allmulticast mode
[  236.424100] veth_A-C: entered promiscuous mode
[  236.424188] br0: port 1(veth_A-C) entered blocking state
[  236.424235] br0: port 1(veth_A-C) entered forwarding state
[  236.582102] br0: port 2(geneve_a) entered blocking state
[  236.582191] br0: port 2(geneve_a) entered disabled state
[  236.582268] geneve_a: entered allmulticast mode
[  236.582372] geneve_a: entered promiscuous mode
[  236.674032] br0: port 2(geneve_a) entered blocking state
[  236.674093] br0: port 2(geneve_a) entered forwarding state
[  239.484447] geneve_a: left allmulticast mode
[  239.484522] geneve_a: left promiscuous mode
[  239.484578] br0: port 2(geneve_a) entered disabled state
[  239.484781] veth_A-C: left allmulticast mode
[  239.484839] veth_A-C: left promiscuous mode
[  239.484888] br0: port 1(veth_A-C) entered disabled state
[  243.892401] br0: port 1(veth_A-C) entered blocking state
[  243.892460] br0: port 1(veth_A-C) entered disabled state
[  243.892514] veth_A-C: entered allmulticast mode
[  243.892602] veth_A-C: entered promiscuous mode
[  243.892673] br0: port 1(veth_A-C) entered blocking state
[  243.892720] br0: port 1(veth_A-C) entered forwarding state
[  244.055542] br0: port 2(geneve_a) entered blocking state
[  244.055601] br0: port 2(geneve_a) entered disabled state
[  244.055651] geneve_a: entered allmulticast mode
[  244.055726] geneve_a: entered promiscuous mode
[  244.157616] br0: port 2(geneve_a) entered blocking state
[  244.157675] br0: port 2(geneve_a) entered forwarding state
[  247.021062] geneve_a: left allmulticast mode
[  247.021120] geneve_a: left promiscuous mode
[  247.021160] br0: port 2(geneve_a) entered disabled state
[  247.021283] veth_A-C: left allmulticast mode
[  247.021324] veth_A-C: left promiscuous mode
[  247.021363] br0: port 1(veth_A-C) entered disabled state
[  251.570612] br0: port 1(veth_A-C) entered blocking state
[  251.570686] br0: port 1(veth_A-C) entered disabled state
[  251.570750] veth_A-C: entered allmulticast mode
[  251.570830] veth_A-C: entered promiscuous mode
[  251.570909] br0: port 1(veth_A-C) entered blocking state
[  251.570962] br0: port 1(veth_A-C) entered forwarding state
[  251.724391] br0: port 2(geneve_a) entered blocking state
[  251.724443] br0: port 2(geneve_a) entered disabled state
[  251.724492] geneve_a: entered allmulticast mode
[  251.724559] geneve_a: entered promiscuous mode
[  251.809639] br0: port 2(geneve_a) entered blocking state
[  251.809704] br0: port 2(geneve_a) entered forwarding state
[  254.595007] geneve_a: left allmulticast mode
[  254.595069] geneve_a: left promiscuous mode
[  254.595121] br0: port 2(geneve_a) entered disabled state
[  254.595475] veth_A-C: left allmulticast mode
[  254.595518] veth_A-C: left promiscuous mode
[  254.595560] br0: port 1(veth_A-C) entered disabled state
[  259.529687] netlink: 'python3': attribute type 2 has an invalid length.
[  259.529976] ovs_br0: entered promiscuous mode
[  260.661015] veth_A-C: entered promiscuous mode
[  261.735066] vxlan_a: entered promiscuous mode
[  270.894279] veth_A-C (unregistering): left promiscuous mode
[  272.021715] vxlan_a: left promiscuous mode
[  273.877289] ovs_br0: left promiscuous mode
[  275.607593] netlink: 'python3': attribute type 2 has an invalid length.
[  275.607853] ovs_br0: entered promiscuous mode
[  276.715324] veth_A-C: entered promiscuous mode
[  277.708874] vxlan_a: entered promiscuous mode
[  287.201224] veth_A-C (unregistering): left promiscuous mode
[  288.309094] vxlan_a: left promiscuous mode
[  290.081674] ovs_br0: left promiscuous mode
[  291.878083] netlink: 'python3': attribute type 2 has an invalid length.
[  291.878367] ovs_br0: entered promiscuous mode
[  292.989347] veth_A-C: entered promiscuous mode
[  294.029869] vxlan_a: entered promiscuous mode
[  303.621426] veth_A-C (unregistering): left promiscuous mode
[  304.689093] vxlan_a: left promiscuous mode
[  306.549864] ovs_br0: left promiscuous mode
[  308.490764] netlink: 'python3': attribute type 2 has an invalid length.
[  308.491222] ovs_br0: entered promiscuous mode
[  309.782252] veth_A-C: entered promiscuous mode
[  310.938842] vxlan_a: entered promiscuous mode
[  320.489837] veth_A-C (unregistering): left promiscuous mode
[  321.631033] vxlan_a: left promiscuous mode
[  323.504340] ovs_br0: left promiscuous mode
[  325.273647] netlink: 'python3': attribute type 2 has an invalid length.
[  325.274114] ovs_br0: entered promiscuous mode
[  326.514314] veth_A-C: entered promiscuous mode
[  327.729489] vxlan_a: entered promiscuous mode
[  337.319444] veth_A-C (unregistering): left promiscuous mode
[  338.377722] vxlan_a: left promiscuous mode
[  340.193821] ovs_br0: left promiscuous mode
[  342.067138] netlink: 'python3': attribute type 2 has an invalid length.
[  342.067438] ovs_br0: entered promiscuous mode
[  343.236289] veth_A-C: entered promiscuous mode
[  344.291752] vxlan_a: entered promiscuous mode
[  353.846495] veth_A-C (unregistering): left promiscuous mode
[  354.982572] vxlan_a: left promiscuous mode
[  356.970209] ovs_br0: left promiscuous mode
[  358.891481] netlink: 'python3': attribute type 2 has an invalid length.
[  358.891743] ovs_br0: entered promiscuous mode
[  360.036876] veth_A-C: entered promiscuous mode
[  361.110648] vxlan_a: entered promiscuous mode
[  370.792636] veth_A-C (unregistering): left promiscuous mode
[  371.927764] vxlan_a: left promiscuous mode
[  373.823831] ovs_br0: left promiscuous mode
[  375.698017] netlink: 'python3': attribute type 2 has an invalid length.
[  375.698388] ovs_br0: entered promiscuous mode
[  376.819743] veth_A-C: entered promiscuous mode
[  377.887626] vxlan_a: entered promiscuous mode
[  387.229354] veth_A-C (unregistering): left promiscuous mode
[  388.175673] vxlan_a: left promiscuous mode
[  390.003234] ovs_br0: left promiscuous mode
[  391.853729] netlink: 'python3': attribute type 2 has an invalid length.
[  391.853990] ovs_br0: entered promiscuous mode
[  392.902783] veth_A-C: entered promiscuous mode
[  393.898976] geneve_a: entered promiscuous mode
[  403.623542] veth_A-C (unregistering): left promiscuous mode
[  405.595601] geneve_a: left promiscuous mode
[  406.618697] ovs_br0: left promiscuous mode
[  408.622211] netlink: 'python3': attribute type 2 has an invalid length.
[  408.622539] ovs_br0: entered promiscuous mode
[  409.877899] veth_A-C: entered promiscuous mode
[  411.070488] geneve_a: entered promiscuous mode
[  420.727286] veth_A-C (unregistering): left promiscuous mode
[  422.760645] geneve_a: left promiscuous mode
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[  425.661238] netlink: 'python3': attribute type 2 has an invalid length.
[  425.661522] ovs_br0: entered promiscuous mode
[  426.806031] veth_A-C: entered promiscuous mode
[  427.965848] geneve_a: entered promiscuous mode
[  437.428495] veth_A-C (unregistering): left promiscuous mode
[  439.411343] geneve_a: left promiscuous mode
[  440.398693] ovs_br0: left promiscuous mode
[  442.387126] netlink: 'python3': attribute type 2 has an invalid length.
[  442.387478] ovs_br0: entered promiscuous mode
[  443.579639] veth_A-C: entered promiscuous mode
[  444.687655] geneve_a: entered promiscuous mode
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[  459.329259] netlink: 'python3': attribute type 2 has an invalid length.
[  459.329627] ovs_br0: entered promiscuous mode
[  460.528818] veth_A-C: entered promiscuous mode
[  461.641954] geneve_a: entered promiscuous mode
[  471.325299] veth_A-C (unregistering): left promiscuous mode
[  473.161306] geneve_a: left promiscuous mode
[  474.218594] ovs_br0: left promiscuous mode
[  476.255250] netlink: 'python3': attribute type 2 has an invalid length.
[  476.255563] ovs_br0: entered promiscuous mode
[  477.543839] veth_A-C: entered promiscuous mode
[  478.665267] geneve_a: entered promiscuous mode
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[  490.585589] ovs_br0: left promiscuous mode
[  492.346374] netlink: 'python3': attribute type 2 has an invalid length.
[  492.346675] ovs_br0: entered promiscuous mode
[  493.430190] veth_A-C: entered promiscuous mode
[  494.426698] geneve_a: entered promiscuous mode
[  503.925465] veth_A-C (unregistering): left promiscuous mode
[  505.781774] geneve_a: left promiscuous mode
[  506.704823] ovs_br0: left promiscuous mode
[  508.619104] netlink: 'python3': attribute type 2 has an invalid length.
[  508.619419] ovs_br0: entered promiscuous mode
[  509.693330] veth_A-C: entered promiscuous mode
[  510.805265] geneve_a: entered promiscuous mode
[  519.842321] veth_A-C (unregistering): left promiscuous mode
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[  522.591347] ovs_br0: left promiscuous mode
[  644.335317] Initializing XFRM netlink socket
[  728.027980] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 5