[  454.626266] netdevsim netdevsim476 eni476np1: renamed from eth0
[  454.627177] netdevsim netdevsim633 eni633np1: renamed from eth1
[  454.712001] Could not find device with ifindex 2000 in netnsfd 11
[  454.712112] Could not find netns with fd: 2000
[  454.712164] Cannot link a netdevsim to itself
[  454.712219] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).