[  523.455524] netdevsim netdevsim713 eni713np1: renamed from eth1
[  523.553208] netdevsim netdevsim445 eni445np1: renamed from eth0
[  523.775278] Could not find device with ifindex 2000 in netnsfd 11
[  523.775461] Could not find netns with fd: 2000
[  523.775555] Cannot link a netdevsim to itself
[  523.775671] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).