[  482.947263] netdevsim netdevsim566 eni566np1: renamed from eth1
[  483.048360] netdevsim netdevsim475 eni475np1: renamed from eth0
[  483.405032] Could not find device with ifindex 2000 in netnsfd 11
[  483.405186] Could not find netns with fd: 2000
[  483.405267] Cannot link a netdevsim to itself
[  483.405370] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).