[  489.712995] netdevsim netdevsim353 eni353np1: renamed from eth0
[  489.714115] netdevsim netdevsim545 eni545np1: renamed from eth0
[  489.812929] Could not find device with ifindex 2000 in netnsfd 11
[  489.813025] Could not find netns with fd: 2000
[  489.813075] Cannot link a netdevsim to itself
[  489.813139] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).