[  797.843257][T14586] netdevsim netdevsim336 eni336np1: renamed from eth0
[  797.864528][T14588] netdevsim netdevsim516 eni516np1: renamed from eth1
[  798.554535][T14574] Could not find device with ifindex 2000 in netnsfd 11
[  798.556412][T14574] Could not find netns with fd: 2000
[  798.557180][T14574] Cannot link a netdevsim to itself
[  798.557920][T14574] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).