[  487.646584] netdevsim netdevsim758 eni758np1: renamed from eth1
[  487.741485] netdevsim netdevsim410 eni410np1: renamed from eth0
[  487.951116] Could not find device with ifindex 2000 in netnsfd 11
[  487.951507] Could not find netns with fd: 2000
[  487.951622] Cannot link a netdevsim to itself
[  487.951784] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).