[  483.332201] netdevsim netdevsim268 eni268np1: renamed from eth0
[  483.434716] netdevsim netdevsim569 eni569np1: renamed from eth1
[  483.818072] Could not find device with ifindex 2000 in netnsfd 11
[  483.818253] Could not find netns with fd: 2000
[  483.818358] Cannot link a netdevsim to itself
[  483.818490] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).