[  521.114862] netdevsim netdevsim498 eni498np1: renamed from eth0
[  521.211756] netdevsim netdevsim586 eni586np1: renamed from eth1
[  521.487491] Could not find device with ifindex 2000 in netnsfd 11
[  521.487685] Could not find netns with fd: 2000
[  521.487781] Cannot link a netdevsim to itself
[  521.487912] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).