[ 1243.850817][T11147] netdevsim netdevsim571 eni571np1: renamed from eth1
[ 1243.953311][T11148] netdevsim netdevsim332 eni332np1: renamed from eth0
[ 1247.147124][T11140] Could not find device with ifindex 2000 in netnsfd 11
[ 1247.148099][T11140] Could not find netns with fd: 2000
[ 1247.153962][T11140] Cannot link a netdevsim to itself
[ 1247.154821][T11140] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).