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Using tcpdump and wireshark, if I capture with -i enp1s0f0, no problem I can see the packets. If I capture with -i any, I don't see the enp1s0f0's packets.

Why? Is there a NetworkManager option or something that discards that interface?

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You have to manually configure Wireshark to monitor additional interfaces. By default it'll only monitor one.

See this guide for more info: https://www.samkear.com/networking/test In short though, press Ctrl+I and enable the extra interfaces to capture.

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    What is the purpose of any then? And how about tcpdump? – Alexis Feb 26 '20 at 0:04

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