[  488.264734] netdevsim netdevsim566 eni566np1: renamed from eth1
[  488.361665] netdevsim netdevsim287 eni287np1: renamed from eth0
[  488.603866] Could not find device with ifindex 2000 in netnsfd 11
[  488.604212] Could not find netns with fd: 2000
[  488.604358] Cannot link a netdevsim to itself
[  488.604491] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).