[ 1239.380542][T11152] netdevsim netdevsim577 eni577np1: renamed from eth1
[ 1239.391794][T11153] netdevsim netdevsim449 eni449np1: renamed from eth0
[ 1242.698743][T11145] Could not find device with ifindex 2000 in netnsfd 11
[ 1242.699469][T11145] Could not find netns with fd: 2000
[ 1242.700313][T11145] Cannot link a netdevsim to itself
[ 1242.700972][T11145] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).