[ 1037.983919][T12677] netdevsim netdevsim503 eni503np1: renamed from eth0
[ 1038.065003][T12725] netdevsim netdevsim729 eni729np1: renamed from eth1
[ 1040.072000][T12721] Could not find device with ifindex 2000 in netnsfd 11
[ 1040.073552][T12721] Could not find netns with fd: 2000
[ 1040.074649][T12721] Cannot link a netdevsim to itself
[ 1040.076021][T12721] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).