[ 1262.249262][T12783] netdevsim netdevsim334 eni334np1: renamed from eth0
[ 1262.373830][T12780] netdevsim netdevsim539 eni539np1: renamed from eth1
[ 1264.903907][T12771] Could not find device with ifindex 2000 in netnsfd 11
[ 1264.905145][T12771] Could not find netns with fd: 2000
[ 1264.906031][T12771] Cannot link a netdevsim to itself
[ 1264.907138][T12771] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).