[ 1238.388391][T11148] netdevsim netdevsim481 eni481np1: renamed from eth0
[ 1238.407499][T11146] netdevsim netdevsim678 eni678np1: renamed from eth1
[ 1241.834101][T11140] Could not find device with ifindex 2000 in netnsfd 11
[ 1241.834930][T11140] Could not find netns with fd: 2000
[ 1241.835600][T11140] Cannot link a netdevsim to itself
[ 1241.836351][T11140] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).