[ 1299.425867][T12851] netdevsim netdevsim336 eni336np1: renamed from eth0
[ 1299.554160][T12850] netdevsim netdevsim606 eni606np1: renamed from eth1
[ 1302.432407][T12839] Could not find device with ifindex 2000 in netnsfd 11
[ 1302.434651][T12839] Could not find netns with fd: 2000
[ 1302.435520][T12839] Cannot link a netdevsim to itself
[ 1302.436862][T12839] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).