[  459.374440] netdevsim netdevsim426 eni426np1: renamed from eth0
[  459.376344] netdevsim netdevsim537 eni537np1: renamed from eth1
[  459.462274] Could not find device with ifindex 2000 in netnsfd 11
[  459.462392] Could not find netns with fd: 2000
[  459.462446] Cannot link a netdevsim to itself
[  459.462513] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).