[ 1023.268295][T12725] netdevsim netdevsim486 eni486np1: renamed from eth0
[ 1023.367686][T12675] netdevsim netdevsim756 eni756np1: renamed from eth1
[ 1025.123232][T12720] Could not find device with ifindex 2000 in netnsfd 11
[ 1025.124721][T12720] Could not find netns with fd: 2000
[ 1025.125838][T12720] Cannot link a netdevsim to itself
[ 1025.126727][T12720] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).