[  514.866635] netdevsim netdevsim355 eni355np1: renamed from eth0
[  514.963113] netdevsim netdevsim693 eni693np1: renamed from eth1
[  515.222114] Could not find device with ifindex 2000 in netnsfd 11
[  515.222274] Could not find netns with fd: 2000
[  515.222345] Cannot link a netdevsim to itself
[  515.222432] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).