[  488.917966] netdevsim netdevsim652 eni652np1: renamed from eth1
[  489.013292] netdevsim netdevsim264 eni264np1: renamed from eth0
[  489.243500] Could not find device with ifindex 2000 in netnsfd 11
[  489.243835] Could not find netns with fd: 2000
[  489.243919] Cannot link a netdevsim to itself
[  489.244022] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).