[  755.701662][T14755] netdevsim netdevsim341 eni341np1: renamed from eth0
[  755.722419][T14757] netdevsim netdevsim536 eni536np1: renamed from eth1
[  756.279869][T14743] Could not find device with ifindex 2000 in netnsfd 11
[  756.280384][T14743] Could not find netns with fd: 2000
[  756.280747][T14743] Cannot link a netdevsim to itself
[  756.281200][T14743] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).