[  538.210855] netdevsim netdevsim392 eni392np1: renamed from eth0
[  538.311873] netdevsim netdevsim687 eni687np1: renamed from eth1
[  538.698677] Could not find device with ifindex 2000 in netnsfd 11
[  538.698850] Could not find netns with fd: 2000
[  538.698939] Cannot link a netdevsim to itself
[  538.699040] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).