[  484.013911] netdevsim netdevsim287 eni287np1: renamed from eth0
[  484.014567] netdevsim netdevsim662 eni662np1: renamed from eth1
[  484.115198] Could not find device with ifindex 2000 in netnsfd 11
[  484.115292] Could not find netns with fd: 2000
[  484.115340] Cannot link a netdevsim to itself
[  484.115388] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).