[  484.166012] netdevsim netdevsim374 eni374np1: renamed from eth0
[  484.266942] netdevsim netdevsim513 eni513np1: renamed from eth1
[  484.599368] Could not find device with ifindex 2000 in netnsfd 11
[  484.599519] Could not find netns with fd: 2000
[  484.599597] Cannot link a netdevsim to itself
[  484.599682] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).