[ 1023.838675][T12473] netdevsim netdevsim534 eni534np1: renamed from eth1
[ 1023.942173][T12474] netdevsim netdevsim311 eni311np1: renamed from eth0
[ 1025.824205][T12466] Could not find device with ifindex 2000 in netnsfd 11
[ 1025.825207][T12466] Could not find netns with fd: 2000
[ 1025.825909][T12466] Cannot link a netdevsim to itself
[ 1025.826692][T12466] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).