[  457.064973] netdevsim netdevsim373 eni373np1: renamed from eth0
[  457.066235] netdevsim netdevsim677 eni677np1: renamed from eth0
[  457.162282] Could not find device with ifindex 2000 in netnsfd 11
[  457.162395] Could not find netns with fd: 2000
[  457.162440] Cannot link a netdevsim to itself
[  457.162491] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).