[  852.276179][T15788] netdevsim netdevsim335 eni335np1: renamed from eth0
[  852.296361][T15789] netdevsim netdevsim633 eni633np1: renamed from eth1
[  852.887088][T15775] Could not find device with ifindex 2000 in netnsfd 11
[  852.888284][T15775] Could not find netns with fd: 2000
[  852.889161][T15775] Cannot link a netdevsim to itself
[  852.889855][T15775] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).