[ 1255.899295][T12748] netdevsim netdevsim547 eni547np1: renamed from eth1
[ 1255.966195][T12749] netdevsim netdevsim497 eni497np1: renamed from eth0
[ 1258.756648][T12736] Could not find device with ifindex 2000 in netnsfd 11
[ 1258.758737][T12736] Could not find netns with fd: 2000
[ 1258.759640][T12736] Cannot link a netdevsim to itself
[ 1258.761629][T12736] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).