[ 1280.213208][T12848] netdevsim netdevsim541 eni541np1: renamed from eth1
[ 1280.347545][T12846] netdevsim netdevsim454 eni454np1: renamed from eth0
[ 1283.061329][T12834] Could not find device with ifindex 2000 in netnsfd 11
[ 1283.063319][T12834] Could not find netns with fd: 2000
[ 1283.064445][T12834] Cannot link a netdevsim to itself
[ 1283.066039][T12834] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).