[  776.543288][T14746] netdevsim netdevsim364 eni364np1: renamed from eth0
[  776.561319][T14748] netdevsim netdevsim637 eni637np1: renamed from eth1
[  777.187268][T14734] Could not find device with ifindex 2000 in netnsfd 11
[  777.187785][T14734] Could not find netns with fd: 2000
[  777.188176][T14734] Cannot link a netdevsim to itself
[  777.188606][T14734] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).