[  486.849950] netdevsim netdevsim752 eni752np1: renamed from eth1
[  486.947146] netdevsim netdevsim485 eni485np1: renamed from eth0
[  487.171957] Could not find device with ifindex 2000 in netnsfd 11
[  487.172245] Could not find netns with fd: 2000
[  487.172345] Cannot link a netdevsim to itself
[  487.172484] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).