[  489.029343] netdevsim netdevsim475 eni475np1: renamed from eth0
[  489.029981] netdevsim netdevsim577 eni577np1: renamed from eth1
[  489.114804] Could not find device with ifindex 2000 in netnsfd 11
[  489.114899] Could not find netns with fd: 2000
[  489.114940] Cannot link a netdevsim to itself
[  489.114989] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).