[  484.480984] netdevsim netdevsim294 eni294np1: renamed from eth0
[  484.481282] netdevsim netdevsim605 eni605np1: renamed from eth1
[  484.583253] Could not find device with ifindex 2000 in netnsfd 11
[  484.583342] Could not find netns with fd: 2000
[  484.583387] Cannot link a netdevsim to itself
[  484.583437] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).