[  475.722866] netdevsim netdevsim492 eni492np1: renamed from eth0
[  475.723899] netdevsim netdevsim612 eni612np1: renamed from eth0
[  475.813723] Could not find device with ifindex 2000 in netnsfd 11
[  475.813813] Could not find netns with fd: 2000
[  475.813862] Cannot link a netdevsim to itself
[  475.813915] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).