[  762.192831][T14759] netdevsim netdevsim466 eni466np1: renamed from eth0
[  762.206387][T14761] netdevsim netdevsim633 eni633np1: renamed from eth1
[  762.780255][T14747] Could not find device with ifindex 2000 in netnsfd 11
[  762.780765][T14747] Could not find netns with fd: 2000
[  762.781125][T14747] Cannot link a netdevsim to itself
[  762.781541][T14747] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).