[ 1247.142499][T11139] netdevsim netdevsim602 eni602np1: renamed from eth1
[ 1247.183335][T11140] netdevsim netdevsim506 eni506np1: renamed from eth0
[ 1250.578799][T11132] Could not find device with ifindex 2000 in netnsfd 11
[ 1250.579515][T11132] Could not find netns with fd: 2000
[ 1250.580075][T11132] Cannot link a netdevsim to itself
[ 1250.580777][T11132] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).