[  490.018107] netdevsim netdevsim494 eni494np1: renamed from eth0
[  490.018754] netdevsim netdevsim632 eni632np1: renamed from eth1
[  490.104465] Could not find device with ifindex 2000 in netnsfd 11
[  490.104551] Could not find netns with fd: 2000
[  490.104595] Cannot link a netdevsim to itself
[  490.104647] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).