[  663.919863] netlink: 'python3': attribute type 2 has an invalid length.
[  663.920933] arpping: entered promiscuous mode
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[  667.153750] netlink: 'python3': attribute type 2 has an invalid length.
[  667.154036] ct4: entered promiscuous mode
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[  682.618266] netlink: 'python3': attribute type 2 has an invalid length.
[  682.618478] cv4: entered promiscuous mode
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[  687.271648] netlink: 'python3': attribute type 2 has an invalid length.
[  687.271927] nat4: entered promiscuous mode
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[  706.208798] nv0: entered promiscuous mode
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[  706.466647] openvswitch: nv0: Dropping previously announced user features
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[  708.090832] openvswitch: netlink: Flow actions may not be safe on all matching packets.
[  708.126042] python3 (2272) used greatest stack depth: 10528 bytes left
[  708.372375] openvswitch: netlink: Flow actions may not be safe on all matching packets.
[  708.447669] left0 (unregistering): left promiscuous mode
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[  741.221289] openvswitch: netlink: Flow actions may not be safe on all matching packets.
[  741.486188] openvswitch: netlink: Flow actions may not be safe on all matching packets.
[  741.743485] openvswitch: netlink: Flow actions may not be safe on all matching packets.
[  744.201026] s0 (unregistering): left promiscuous mode
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