[ 1215.941480][T11147] netdevsim netdevsim352 eni352np1: renamed from eth0
[ 1216.055597][T11145] netdevsim netdevsim671 eni671np1: renamed from eth1
[ 1219.432075][T11139] Could not find device with ifindex 2000 in netnsfd 11
[ 1219.432835][T11139] Could not find netns with fd: 2000
[ 1219.433489][T11139] Cannot link a netdevsim to itself
[ 1219.434247][T11139] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).