[  522.803271] netdevsim netdevsim357 eni357np1: renamed from eth0
[  522.900532] netdevsim netdevsim709 eni709np1: renamed from eth1
[  523.127553] Could not find device with ifindex 2000 in netnsfd 11
[  523.127726] Could not find netns with fd: 2000
[  523.127813] Cannot link a netdevsim to itself
[  523.127914] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).