[  521.302722] netdevsim netdevsim714 eni714np1: renamed from eth1
[  521.400670] netdevsim netdevsim396 eni396np1: renamed from eth0
[  521.631881] Could not find device with ifindex 2000 in netnsfd 11
[  521.632151] Could not find netns with fd: 2000
[  521.632273] Cannot link a netdevsim to itself
[  521.632395] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).