[ 1328.313316][T12065] netdevsim netdevsim721 eni721np1: renamed from eth1
[ 1328.318959][T12067] netdevsim netdevsim282 eni282np1: renamed from eth0
[ 1331.896518][T12059] Could not find device with ifindex 2000 in netnsfd 11
[ 1331.897344][T12059] Could not find netns with fd: 2000
[ 1331.898074][T12059] Cannot link a netdevsim to itself
[ 1331.900450][T12059] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).