[  484.349871] netdevsim netdevsim384 eni384np1: renamed from eth0
[  484.451350] netdevsim netdevsim573 eni573np1: renamed from eth1
[  484.780451] Could not find device with ifindex 2000 in netnsfd 11
[  484.780575] Could not find netns with fd: 2000
[  484.780639] Cannot link a netdevsim to itself
[  484.780739] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).