[  530.300599] netdevsim netdevsim572 eni572np1: renamed from eth1
[  530.395850] netdevsim netdevsim410 eni410np1: renamed from eth0
[  530.762233] Could not find device with ifindex 2000 in netnsfd 11
[  530.762549] Could not find netns with fd: 2000
[  530.762674] Cannot link a netdevsim to itself
[  530.762813] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).