[  488.153372] netdevsim netdevsim401 eni401np1: renamed from eth0
[  488.250288] netdevsim netdevsim582 eni582np1: renamed from eth1
[  488.464536] Could not find device with ifindex 2000 in netnsfd 11
[  488.464787] Could not find netns with fd: 2000
[  488.464911] Cannot link a netdevsim to itself
[  488.465022] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).