[ 1037.468211][T12681] netdevsim netdevsim752 eni752np1: renamed from eth1
[ 1037.573526][T12730] netdevsim netdevsim479 eni479np1: renamed from eth0
[ 1039.342448][T12725] Could not find device with ifindex 2000 in netnsfd 11
[ 1039.343386][T12725] Could not find netns with fd: 2000
[ 1039.344058][T12725] Cannot link a netdevsim to itself
[ 1039.344856][T12725] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).