[ 1227.049497][T12513] netdevsim netdevsim345 eni345np1: renamed from eth0
[ 1227.075080][T12512] netdevsim netdevsim742 eni742np1: renamed from eth1
[ 1229.800676][T12500] Could not find device with ifindex 2000 in netnsfd 11
[ 1229.802338][T12500] Could not find netns with fd: 2000
[ 1229.803618][T12500] Cannot link a netdevsim to itself
[ 1229.805269][T12500] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).