[  794.747435][T14636] netdevsim netdevsim501 eni501np1: renamed from eth0
[  794.759503][T14638] netdevsim netdevsim682 eni682np1: renamed from eth1
[  795.319263][T14624] Could not find device with ifindex 2000 in netnsfd 11
[  795.319897][T14624] Could not find netns with fd: 2000
[  795.320354][T14624] Cannot link a netdevsim to itself
[  795.320927][T14624] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).