[ 1269.379004][T12748] netdevsim netdevsim427 eni427np1: renamed from eth0
[ 1269.497312][T12747] netdevsim netdevsim542 eni542np1: renamed from eth1
[ 1272.177867][T12736] Could not find device with ifindex 2000 in netnsfd 11
[ 1272.180756][T12736] Could not find netns with fd: 2000
[ 1272.182091][T12736] Cannot link a netdevsim to itself
[ 1272.183887][T12736] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).