[  761.304120][T14576] netdevsim netdevsim333 eni333np1: renamed from eth0
[  761.325158][T14578] netdevsim netdevsim616 eni616np1: renamed from eth1
[  761.934733][T14564] Could not find device with ifindex 2000 in netnsfd 11
[  761.935209][T14564] Could not find netns with fd: 2000
[  761.935777][T14564] Cannot link a netdevsim to itself
[  761.936182][T14564] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).