[  490.564365] netdevsim netdevsim610 eni610np1: renamed from eth1
[  490.661449] netdevsim netdevsim346 eni346np1: renamed from eth0
[  490.864707] Could not find device with ifindex 2000 in netnsfd 11
[  490.864992] Could not find netns with fd: 2000
[  490.865087] Cannot link a netdevsim to itself
[  490.865206] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).