[ 1034.819631][T12585] netdevsim netdevsim500 eni500np1: renamed from eth0
[ 1034.886240][T12583] netdevsim netdevsim665 eni665np1: renamed from eth1
[ 1036.983292][T12577] Could not find device with ifindex 2000 in netnsfd 11
[ 1036.984236][T12577] Could not find netns with fd: 2000
[ 1036.985455][T12577] Cannot link a netdevsim to itself
[ 1036.986364][T12577] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).