[ 1239.638653][T11146] netdevsim netdevsim731 eni731np1: renamed from eth1
[ 1239.669367][T11148] netdevsim netdevsim316 eni316np1: renamed from eth0
[ 1242.941747][T11140] Could not find device with ifindex 2000 in netnsfd 11
[ 1242.942537][T11140] Could not find netns with fd: 2000
[ 1242.943167][T11140] Cannot link a netdevsim to itself
[ 1242.943951][T11140] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).