[  768.942760][T14465] netdevsim netdevsim407 eni407np1: renamed from eth0
[  768.959416][T14467] netdevsim netdevsim513 eni513np1: renamed from eth1
[  769.594924][T14453] Could not find device with ifindex 2000 in netnsfd 11
[  769.595480][T14453] Could not find netns with fd: 2000
[  769.595857][T14453] Cannot link a netdevsim to itself
[  769.596317][T14453] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).