[  483.209886] netdevsim netdevsim475 eni475np1: renamed from eth0
[  483.210528] netdevsim netdevsim572 eni572np1: renamed from eth1
[  483.301799] Could not find device with ifindex 2000 in netnsfd 11
[  483.301903] Could not find netns with fd: 2000
[  483.301947] Cannot link a netdevsim to itself
[  483.302001] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).