[ 1383.945843][T12916] netdevsim netdevsim657 eni657np1: renamed from eth1
[ 1384.029997][T12919] netdevsim netdevsim398 eni398np1: renamed from eth0
[ 1386.832707][T12908] Could not find device with ifindex 2000 in netnsfd 11
[ 1386.834113][T12908] Could not find netns with fd: 2000
[ 1386.835135][T12908] Cannot link a netdevsim to itself
[ 1386.836351][T12908] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).