[ 1229.057511][T11139] netdevsim netdevsim515 eni515np1: renamed from eth1
[ 1229.153908][T11140] netdevsim netdevsim314 eni314np1: renamed from eth0
[ 1232.431144][T11132] Could not find device with ifindex 2000 in netnsfd 11
[ 1232.431882][T11132] Could not find netns with fd: 2000
[ 1232.432549][T11132] Cannot link a netdevsim to itself
[ 1232.433539][T11132] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).