[ 1276.618057][T13022] netdevsim netdevsim662 eni662np1: renamed from eth1
[ 1276.751279][T13025] netdevsim netdevsim441 eni441np1: renamed from eth0
[ 1279.299874][T13013] Could not find device with ifindex 2000 in netnsfd 11
[ 1279.302147][T13013] Could not find netns with fd: 2000
[ 1279.303070][T13013] Cannot link a netdevsim to itself
[ 1279.304200][T13013] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).