[  490.638986] netdevsim netdevsim340 eni340np1: renamed from eth0
[  490.740134] netdevsim netdevsim645 eni645np1: renamed from eth1
[  491.117269] Could not find device with ifindex 2000 in netnsfd 11
[  491.117437] Could not find netns with fd: 2000
[  491.117531] Cannot link a netdevsim to itself
[  491.117637] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).