[  817.289922][T14769] netdevsim netdevsim495 eni495np1: renamed from eth0
[  817.307607][T14768] netdevsim netdevsim720 eni720np1: renamed from eth1
[  817.934770][T14757] Could not find device with ifindex 2000 in netnsfd 11
[  817.935592][T14757] Could not find netns with fd: 2000
[  817.935967][T14757] Cannot link a netdevsim to itself
[  817.936401][T14757] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).