[ 1017.909690][T12652] netdevsim netdevsim452 eni452np1: renamed from eth0
[ 1017.921641][T12584] netdevsim netdevsim672 eni672np1: renamed from eth1
[ 1019.781330][T12729] Could not find device with ifindex 2000 in netnsfd 11
[ 1019.782275][T12729] Could not find netns with fd: 2000
[ 1019.783020][T12729] Cannot link a netdevsim to itself
[ 1019.783858][T12729] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).