[ 1250.590866][T12786] netdevsim netdevsim604 eni604np1: renamed from eth1
[ 1250.595485][T12789] netdevsim netdevsim410 eni410np1: renamed from eth0
[ 1253.249762][T12778] Could not find device with ifindex 2000 in netnsfd 11
[ 1253.251703][T12778] Could not find netns with fd: 2000
[ 1253.253386][T12778] Cannot link a netdevsim to itself
[ 1253.255302][T12778] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).