[  754.152811][T14739] netdevsim netdevsim453 eni453np1: renamed from eth0
[  754.164623][T14741] netdevsim netdevsim657 eni657np1: renamed from eth1
[  754.718214][T14727] Could not find device with ifindex 2000 in netnsfd 11
[  754.718762][T14727] Could not find netns with fd: 2000
[  754.719146][T14727] Cannot link a netdevsim to itself
[  754.719582][T14727] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).