[  522.084586] netdevsim netdevsim764 eni764np1: renamed from eth1
[  522.182181] netdevsim netdevsim310 eni310np1: renamed from eth0
[  522.407962] Could not find device with ifindex 2000 in netnsfd 11
[  522.408152] Could not find netns with fd: 2000
[  522.408239] Cannot link a netdevsim to itself
[  522.408340] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).