[  757.746163][T14560] netdevsim netdevsim381 eni381np1: renamed from eth0
[  757.757349][T14562] netdevsim netdevsim754 eni754np1: renamed from eth1
[  758.340687][T14548] Could not find device with ifindex 2000 in netnsfd 11
[  758.341215][T14548] Could not find netns with fd: 2000
[  758.341571][T14548] Cannot link a netdevsim to itself
[  758.341991][T14548] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).