[  519.280947] netdevsim netdevsim708 eni708np1: renamed from eth1
[  519.379280] netdevsim netdevsim309 eni309np1: renamed from eth0
[  519.604337] Could not find device with ifindex 2000 in netnsfd 11
[  519.604552] Could not find netns with fd: 2000
[  519.604656] Cannot link a netdevsim to itself
[  519.604768] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).