[ 1196.028113][T12785] netdevsim netdevsim756 eni756np1: renamed from eth1
[ 1196.140225][T12788] netdevsim netdevsim331 eni331np1: renamed from eth0
[ 1198.424890][T12780] Could not find device with ifindex 2000 in netnsfd 11
[ 1198.426886][T12780] Could not find netns with fd: 2000
[ 1198.427720][T12780] Cannot link a netdevsim to itself
[ 1198.428755][T12780] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).