[  489.091349] netdevsim netdevsim259 eni259np1: renamed from eth0
[  489.091511] netdevsim netdevsim517 eni517np1: renamed from eth1
[  489.179825] Could not find device with ifindex 2000 in netnsfd 11
[  489.179998] Could not find netns with fd: 2000
[  489.180103] Cannot link a netdevsim to itself
[  489.180219] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).