[  476.001976] netdevsim netdevsim376 eni376np1: renamed from eth0
[  476.007132] netdevsim netdevsim619 eni619np1: renamed from eth1
[  476.102646] Could not find device with ifindex 2000 in netnsfd 11
[  476.102734] Could not find netns with fd: 2000
[  476.102775] Cannot link a netdevsim to itself
[  476.102824] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).