[  806.418967][T14587] netdevsim netdevsim267 eni267np1: renamed from eth0
[  806.432646][T14589] netdevsim netdevsim647 eni647np1: renamed from eth1
[  807.073617][T14575] Could not find device with ifindex 2000 in netnsfd 11
[  807.074184][T14575] Could not find netns with fd: 2000
[  807.074824][T14575] Cannot link a netdevsim to itself
[  807.075499][T14575] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).