[ 1293.822927][T12909] netdevsim netdevsim746 eni746np1: renamed from eth1
[ 1293.873230][T12912] netdevsim netdevsim400 eni400np1: renamed from eth0
[ 1296.625743][T12899] Could not find device with ifindex 2000 in netnsfd 11
[ 1296.628051][T12899] Could not find netns with fd: 2000
[ 1296.629897][T12899] Cannot link a netdevsim to itself
[ 1296.631506][T12899] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).