[ 1333.284119][T12852] netdevsim netdevsim505 eni505np1: renamed from eth0
[ 1333.345155][T12851] netdevsim netdevsim699 eni699np1: renamed from eth1
[ 1336.191148][T12840] Could not find device with ifindex 2000 in netnsfd 11
[ 1336.193488][T12840] Could not find netns with fd: 2000
[ 1336.194629][T12840] Cannot link a netdevsim to itself
[ 1336.196451][T12840] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).