[  513.027912] netdevsim netdevsim659 eni659np1: renamed from eth1
[  513.124659] netdevsim netdevsim308 eni308np1: renamed from eth0
[  513.335207] Could not find device with ifindex 2000 in netnsfd 11
[  513.335359] Could not find netns with fd: 2000
[  513.335430] Cannot link a netdevsim to itself
[  513.335518] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).