[ 1346.264130][T13061] netdevsim netdevsim684 eni684np1: renamed from eth1
[ 1346.271182][T13064] netdevsim netdevsim323 eni323np1: renamed from eth0
[ 1349.111931][T13051] Could not find device with ifindex 2000 in netnsfd 11
[ 1349.113549][T13051] Could not find netns with fd: 2000
[ 1349.114968][T13051] Cannot link a netdevsim to itself
[ 1349.130174][T13051] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).