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Is the pattern consistent? Can you reliably ping 8.8.8.8 and reliably not ping 1.1.1.1 or is this completely random?
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It's reliable.
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So this has to come from somewhere - either they're routed via different NICs or the traffic is routed differently in- or outside the LAN.
ip a
ip r get 8.8.8.8
ip r get 1.1.1.1
tracepath 8.8.8.8
tracepath 1.1.1.1If it's outside the host and you're not using a VPN on fedora (you might want to check that there as well) my last best guess would be MAC spoofing getting in the way, https://wiki.archlinux.org/title/MAC_ad … orkManager
(The MTU should™ not be an issue w/ ICMP)
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