[ 1023.016004][T12584] netdevsim netdevsim400 eni400np1: renamed from eth0
[ 1023.034104][T12581] netdevsim netdevsim607 eni607np1: renamed from eth1
[ 1024.929722][T12576] Could not find device with ifindex 2000 in netnsfd 11
[ 1024.930649][T12576] Could not find netns with fd: 2000
[ 1024.931417][T12576] Cannot link a netdevsim to itself
[ 1024.932327][T12576] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).