[ 1344.210240][T12985] netdevsim netdevsim403 eni403np1: renamed from eth0
[ 1344.340568][T12984] netdevsim netdevsim749 eni749np1: renamed from eth1
[ 1347.025883][T12973] Could not find device with ifindex 2000 in netnsfd 11
[ 1347.029413][T12973] Could not find netns with fd: 2000
[ 1347.030856][T12973] Cannot link a netdevsim to itself
[ 1347.033212][T12973] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).