[ 1018.831370][T12129] netdevsim netdevsim258 eni258np1: renamed from eth0
[ 1018.939195][T12064] netdevsim netdevsim751 eni751np1: renamed from eth1
[ 1020.744838][T12454] Could not find device with ifindex 2000 in netnsfd 11
[ 1020.746294][T12454] Could not find netns with fd: 2000
[ 1020.747814][T12454] Cannot link a netdevsim to itself
[ 1020.749156][T12454] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).