[  480.127725] netdevsim netdevsim324 eni324np1: renamed from eth0
[  480.224590] netdevsim netdevsim657 eni657np1: renamed from eth1
[  480.445812] Could not find device with ifindex 2000 in netnsfd 11
[  480.446032] Could not find netns with fd: 2000
[  480.446143] Cannot link a netdevsim to itself
[  480.446285] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).