[ 1300.883396][T12984] netdevsim netdevsim533 eni533np1: renamed from eth1
[ 1300.886621][T12985] netdevsim netdevsim299 eni299np1: renamed from eth0
[ 1303.561515][T12972] Could not find device with ifindex 2000 in netnsfd 11
[ 1303.563703][T12972] Could not find netns with fd: 2000
[ 1303.564669][T12972] Cannot link a netdevsim to itself
[ 1303.565787][T12972] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).