[  457.263327] netdevsim netdevsim418 eni418np1: renamed from eth0
[  457.264096] netdevsim netdevsim571 eni571np1: renamed from eth1
[  457.351614] Could not find device with ifindex 2000 in netnsfd 11
[  457.351727] Could not find netns with fd: 2000
[  457.351802] Cannot link a netdevsim to itself
[  457.351856] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).