[ 1231.428120][T12812] netdevsim netdevsim354 eni354np1: renamed from eth0
[ 1231.441504][T12809] netdevsim netdevsim650 eni650np1: renamed from eth1
[ 1234.188887][T12804] Could not find device with ifindex 2000 in netnsfd 11
[ 1234.190074][T12804] Could not find netns with fd: 2000
[ 1234.191428][T12804] Cannot link a netdevsim to itself
[ 1234.192541][T12804] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).