[  803.835418][T14773] netdevsim netdevsim273 eni273np1: renamed from eth0
[  803.853695][T14776] netdevsim netdevsim552 eni552np1: renamed from eth1
[  804.473619][T14761] Could not find device with ifindex 2000 in netnsfd 11
[  804.474723][T14761] Could not find netns with fd: 2000
[  804.475208][T14761] Cannot link a netdevsim to itself
[  804.475641][T14761] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).