[  484.640428] netdevsim netdevsim348 eni348np1: renamed from eth0
[  484.641450] netdevsim netdevsim692 eni692np1: renamed from eth1
[  484.740330] Could not find device with ifindex 2000 in netnsfd 11
[  484.740449] Could not find netns with fd: 2000
[  484.740507] Cannot link a netdevsim to itself
[  484.740620] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).