[  526.169951] netdevsim netdevsim676 eni676np1: renamed from eth1
[  526.171337] netdevsim netdevsim376 eni376np1: renamed from eth0
[  526.431700] Could not find device with ifindex 2000 in netnsfd 11
[  526.431894] Could not find netns with fd: 2000
[  526.432006] Cannot link a netdevsim to itself
[  526.432100] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).