[  484.003411] netdevsim netdevsim275 eni275np1: renamed from eth0
[  484.104219] netdevsim netdevsim533 eni533np1: renamed from eth1
[  484.449001] Could not find device with ifindex 2000 in netnsfd 11
[  484.449157] Could not find netns with fd: 2000
[  484.449227] Cannot link a netdevsim to itself
[  484.449325] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).