[  520.843638] netdevsim netdevsim576 eni576np1: renamed from eth1
[  520.940800] netdevsim netdevsim344 eni344np1: renamed from eth0
[  521.186598] Could not find device with ifindex 2000 in netnsfd 11
[  521.186800] Could not find netns with fd: 2000
[  521.186885] Cannot link a netdevsim to itself
[  521.186980] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).