[  521.451450] netdevsim netdevsim576 eni576np1: renamed from eth1
[  521.548173] netdevsim netdevsim279 eni279np1: renamed from eth0
[  521.775077] Could not find device with ifindex 2000 in netnsfd 11
[  521.775282] Could not find netns with fd: 2000
[  521.775359] Cannot link a netdevsim to itself
[  521.775448] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).