[ 1024.882009][T12727] netdevsim netdevsim400 eni400np1: renamed from eth0
[ 1024.982140][T12677] netdevsim netdevsim696 eni696np1: renamed from eth1
[ 1026.822649][T12721] Could not find device with ifindex 2000 in netnsfd 11
[ 1026.823754][T12721] Could not find netns with fd: 2000
[ 1026.824456][T12721] Cannot link a netdevsim to itself
[ 1026.825229][T12721] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).