[  485.740918] netdevsim netdevsim376 eni376np1: renamed from eth0
[  485.841392] netdevsim netdevsim574 eni574np1: renamed from eth1
[  486.166214] Could not find device with ifindex 2000 in netnsfd 11
[  486.166380] Could not find netns with fd: 2000
[  486.166470] Cannot link a netdevsim to itself
[  486.166571] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).