[  758.044377][T14614] netdevsim netdevsim455 eni455np1: renamed from eth0
[  758.064855][T14613] netdevsim netdevsim649 eni649np1: renamed from eth1
[  758.664346][T14602] Could not find device with ifindex 2000 in netnsfd 11
[  758.664826][T14602] Could not find netns with fd: 2000
[  758.665177][T14602] Cannot link a netdevsim to itself
[  758.665657][T14602] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).