[  484.258175] netdevsim netdevsim470 eni470np1: renamed from eth0
[  484.258981] netdevsim netdevsim559 eni559np1: renamed from eth1
[  484.354970] Could not find device with ifindex 2000 in netnsfd 11
[  484.355062] Could not find netns with fd: 2000
[  484.355108] Cannot link a netdevsim to itself
[  484.355161] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).