[  521.866103] netdevsim netdevsim701 eni701np1: renamed from eth1
[  521.964308] netdevsim netdevsim396 eni396np1: renamed from eth0
[  522.200003] Could not find device with ifindex 2000 in netnsfd 11
[  522.200169] Could not find netns with fd: 2000
[  522.200242] Cannot link a netdevsim to itself
[  522.200331] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).