[  509.749052] netdevsim netdevsim316 eni316np1: renamed from eth0
[  509.846973] netdevsim netdevsim613 eni613np1: renamed from eth1
[  510.049846] Could not find device with ifindex 2000 in netnsfd 11
[  510.050062] Could not find netns with fd: 2000
[  510.050165] Cannot link a netdevsim to itself
[  510.050296] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).