[  426.118447] netdevsim netdevsim435 eni435np1: renamed from eth0
[  426.119701] netdevsim netdevsim649 eni649np1: renamed from eth1
[  426.199721] Could not find device with ifindex 2000 in netnsfd 11
[  426.199808] Could not find netns with fd: 2000
[  426.199854] Cannot link a netdevsim to itself
[  426.199905] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).