[  488.743805] netdevsim netdevsim590 eni590np1: renamed from eth1
[  488.841123] netdevsim netdevsim410 eni410np1: renamed from eth0
[  489.061535] Could not find device with ifindex 2000 in netnsfd 11
[  489.061865] Could not find netns with fd: 2000
[  489.061948] Cannot link a netdevsim to itself
[  489.062045] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).