[ 1231.119780][T12785] netdevsim netdevsim707 eni707np1: renamed from eth1
[ 1231.238052][T12786] netdevsim netdevsim332 eni332np1: renamed from eth0
[ 1233.995071][T12778] Could not find device with ifindex 2000 in netnsfd 11
[ 1233.996705][T12778] Could not find netns with fd: 2000
[ 1233.998009][T12778] Cannot link a netdevsim to itself
[ 1233.999924][T12778] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).