[  475.070809] netdevsim netdevsim700 eni700np1: renamed from eth1
[  475.070978] netdevsim netdevsim378 eni378np1: renamed from eth0
[  475.160554] Could not find device with ifindex 2000 in netnsfd 11
[  475.160647] Could not find netns with fd: 2000
[  475.160692] Cannot link a netdevsim to itself
[  475.160742] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).