[  486.897715] netdevsim netdevsim379 eni379np1: renamed from eth0
[  486.898388] netdevsim netdevsim767 eni767np1: renamed from eth1
[  486.965064] Could not find device with ifindex 2000 in netnsfd 11
[  486.965128] Could not find netns with fd: 2000
[  486.965163] Cannot link a netdevsim to itself
[  486.965201] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).