[ 1021.455844][T12660] netdevsim netdevsim368 eni368np1: renamed from eth0
[ 1021.548257][T12658] netdevsim netdevsim645 eni645np1: renamed from eth1
[ 1023.492330][T12652] Could not find device with ifindex 2000 in netnsfd 11
[ 1023.493858][T12652] Could not find netns with fd: 2000
[ 1023.495147][T12652] Cannot link a netdevsim to itself
[ 1023.496469][T12652] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).