[  757.860675][T14420] netdevsim netdevsim326 eni326np1: renamed from eth0
[  757.878429][T14422] netdevsim netdevsim689 eni689np1: renamed from eth1
[  758.464971][T14408] Could not find device with ifindex 2000 in netnsfd 11
[  758.465556][T14408] Could not find netns with fd: 2000
[  758.466035][T14408] Cannot link a netdevsim to itself
[  758.466584][T14408] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).