[  520.993293] netdevsim netdevsim576 eni576np1: renamed from eth1
[  521.090320] netdevsim netdevsim269 eni269np1: renamed from eth0
[  521.349751] Could not find device with ifindex 2000 in netnsfd 11
[  521.350015] Could not find netns with fd: 2000
[  521.350136] Cannot link a netdevsim to itself
[  521.350265] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).