[  486.423898] netdevsim netdevsim582 eni582np1: renamed from eth1
[  486.425253] netdevsim netdevsim350 eni350np1: renamed from eth0
[  486.508899] Could not find device with ifindex 2000 in netnsfd 11
[  486.508994] Could not find netns with fd: 2000
[  486.509039] Cannot link a netdevsim to itself
[  486.509089] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).