[  483.196363] netdevsim netdevsim308 eni308np1: renamed from eth0
[  483.196970] netdevsim netdevsim727 eni727np1: renamed from eth1
[  483.278245] Could not find device with ifindex 2000 in netnsfd 11
[  483.278321] Could not find netns with fd: 2000
[  483.278365] Cannot link a netdevsim to itself
[  483.278418] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).