[  483.835685] netdevsim netdevsim279 eni279np1: renamed from eth0
[  483.836343] netdevsim netdevsim615 eni615np1: renamed from eth1
[  484.172561] Could not find device with ifindex 2000 in netnsfd 11
[  484.172750] Could not find netns with fd: 2000
[  484.172838] Cannot link a netdevsim to itself
[  484.172953] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).