[  483.380956] netdevsim netdevsim660 eni660np1: renamed from eth1
[  483.481837] netdevsim netdevsim432 eni432np1: renamed from eth0
[  483.826719] Could not find device with ifindex 2000 in netnsfd 11
[  483.826872] Could not find netns with fd: 2000
[  483.826948] Cannot link a netdevsim to itself
[  483.827053] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).