[  485.037424] netdevsim netdevsim297 eni297np1: renamed from eth0
[  485.138367] netdevsim netdevsim528 eni528np1: renamed from eth1
[  485.511399] Could not find device with ifindex 2000 in netnsfd 11
[  485.511531] Could not find netns with fd: 2000
[  485.511602] Cannot link a netdevsim to itself
[  485.511694] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).