[ 1333.497914][T12856] netdevsim netdevsim258 eni258np1: renamed from eth0
[ 1333.563134][T12855] netdevsim netdevsim725 eni725np1: renamed from eth1
[ 1336.757538][T12844] Could not find device with ifindex 2000 in netnsfd 11
[ 1336.761098][T12844] Could not find netns with fd: 2000
[ 1336.762974][T12844] Cannot link a netdevsim to itself
[ 1336.764914][T12844] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).