[  524.016613] netdevsim netdevsim454 eni454np1: renamed from eth0
[  524.114394] netdevsim netdevsim713 eni713np1: renamed from eth1
[  524.363125] Could not find device with ifindex 2000 in netnsfd 11
[  524.363286] Could not find netns with fd: 2000
[  524.363359] Cannot link a netdevsim to itself
[  524.363449] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).