[ 1031.462208][T12136] netdevsim netdevsim733 eni733np1: renamed from eth1
[ 1031.567811][T12137] netdevsim netdevsim269 eni269np1: renamed from eth0
[ 1033.525452][T12463] Could not find device with ifindex 2000 in netnsfd 11
[ 1033.526393][T12463] Could not find netns with fd: 2000
[ 1033.527028][T12463] Cannot link a netdevsim to itself
[ 1033.528046][T12463] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).