[ 1023.454713][T12578] netdevsim netdevsim662 eni662np1: renamed from eth1
[ 1023.568389][T12579] netdevsim netdevsim345 eni345np1: renamed from eth0
[ 1025.361375][T12571] Could not find device with ifindex 2000 in netnsfd 11
[ 1025.362381][T12571] Could not find netns with fd: 2000
[ 1025.363194][T12571] Cannot link a netdevsim to itself
[ 1025.364027][T12571] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).