[  815.867220][T15824] netdevsim netdevsim453 eni453np1: renamed from eth0
[  815.879542][T15825] netdevsim netdevsim611 eni611np1: renamed from eth1
[  816.518576][T15813] Could not find device with ifindex 2000 in netnsfd 11
[  816.519273][T15813] Could not find netns with fd: 2000
[  816.519808][T15813] Cannot link a netdevsim to itself
[  816.520359][T15813] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).