[  513.707318] netdevsim netdevsim761 eni761np1: renamed from eth1
[  513.804974] netdevsim netdevsim289 eni289np1: renamed from eth0
[  514.046607] Could not find device with ifindex 2000 in netnsfd 11
[  514.046813] Could not find netns with fd: 2000
[  514.046908] Cannot link a netdevsim to itself
[  514.047028] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).