[  797.467152][T14593] netdevsim netdevsim320 eni320np1: renamed from eth0
[  797.476305][T14595] netdevsim netdevsim659 eni659np1: renamed from eth1
[  798.091971][T14581] Could not find device with ifindex 2000 in netnsfd 11
[  798.092930][T14581] Could not find netns with fd: 2000
[  798.093385][T14581] Cannot link a netdevsim to itself
[  798.093880][T14581] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).