[  475.743059] netdevsim netdevsim436 eni436np1: renamed from eth0
[  475.743615] netdevsim netdevsim693 eni693np1: renamed from eth1
[  475.832343] Could not find device with ifindex 2000 in netnsfd 11
[  475.832422] Could not find netns with fd: 2000
[  475.832465] Cannot link a netdevsim to itself
[  475.832515] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).