[ 1309.985078][T13022] netdevsim netdevsim717 eni717np1: renamed from eth1
[ 1310.116856][T13026] netdevsim netdevsim471 eni471np1: renamed from eth0
[ 1312.761353][T13013] Could not find device with ifindex 2000 in netnsfd 11
[ 1312.762971][T13013] Could not find netns with fd: 2000
[ 1312.764081][T13013] Cannot link a netdevsim to itself
[ 1312.765127][T13013] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).