[ 1311.694973][T12785] netdevsim netdevsim723 eni723np1: renamed from eth1
[ 1311.757013][T12788] netdevsim netdevsim347 eni347np1: renamed from eth0
[ 1314.702327][T12775] Could not find device with ifindex 2000 in netnsfd 11
[ 1314.703523][T12775] Could not find netns with fd: 2000
[ 1314.704405][T12775] Cannot link a netdevsim to itself
[ 1314.706098][T12775] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).