[  484.498166] netdevsim netdevsim481 eni481np1: renamed from eth0
[  484.599331] netdevsim netdevsim676 eni676np1: renamed from eth1
[  484.953847] Could not find device with ifindex 2000 in netnsfd 11
[  484.953996] Could not find netns with fd: 2000
[  484.954071] Cannot link a netdevsim to itself
[  484.954185] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).