[ 1018.244148][T12577] netdevsim netdevsim519 eni519np1: renamed from eth1
[ 1018.348048][T12627] netdevsim netdevsim301 eni301np1: renamed from eth0
[ 1020.332431][T12622] Could not find device with ifindex 2000 in netnsfd 11
[ 1020.333456][T12622] Could not find netns with fd: 2000
[ 1020.334149][T12622] Cannot link a netdevsim to itself
[ 1020.335187][T12622] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).