[  535.431907] netdevsim netdevsim340 eni340np1: renamed from eth0
[  535.534031] netdevsim netdevsim718 eni718np1: renamed from eth1
[  535.850276] Could not find device with ifindex 2000 in netnsfd 11
[  535.850413] Could not find netns with fd: 2000
[  535.850496] Cannot link a netdevsim to itself
[  535.850591] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).