[  757.037375][T14726] netdevsim netdevsim495 eni495np1: renamed from eth0
[  757.051081][T14728] netdevsim netdevsim646 eni646np1: renamed from eth1
[  757.640833][T14714] Could not find device with ifindex 2000 in netnsfd 11
[  757.641392][T14714] Could not find netns with fd: 2000
[  757.641763][T14714] Cannot link a netdevsim to itself
[  757.642209][T14714] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).