[  475.304793] netdevsim netdevsim492 eni492np1: renamed from eth0
[  475.305092] netdevsim netdevsim669 eni669np1: renamed from eth1
[  475.396431] Could not find device with ifindex 2000 in netnsfd 11
[  475.396567] Could not find netns with fd: 2000
[  475.396673] Cannot link a netdevsim to itself
[  475.396791] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).