[  457.375077] netdevsim netdevsim470 eni470np1: renamed from eth0
[  457.376953] netdevsim netdevsim698 eni698np1: renamed from eth1
[  457.477359] Could not find device with ifindex 2000 in netnsfd 11
[  457.477537] Could not find netns with fd: 2000
[  457.477650] Cannot link a netdevsim to itself
[  457.477831] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).