[  455.060521] netdevsim netdevsim318 eni318np1: renamed from eth0
[  455.061008] netdevsim netdevsim540 eni540np1: renamed from eth1
[  455.146671] Could not find device with ifindex 2000 in netnsfd 11
[  455.146809] Could not find netns with fd: 2000
[  455.146914] Cannot link a netdevsim to itself
[  455.147037] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).