[ 1264.360921][T13024] netdevsim netdevsim504 eni504np1: renamed from eth0
[ 1264.481170][T13028] netdevsim netdevsim513 eni513np1: renamed from eth1
[ 1267.043301][T13015] Could not find device with ifindex 2000 in netnsfd 11
[ 1267.045293][T13015] Could not find netns with fd: 2000
[ 1267.060211][T13015] Cannot link a netdevsim to itself
[ 1267.062372][T13015] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).