[  474.224040] netdevsim netdevsim275 eni275np1: renamed from eth0
[  474.321510] netdevsim netdevsim605 eni605np1: renamed from eth1
[  474.553360] Could not find device with ifindex 2000 in netnsfd 11
[  474.553532] Could not find netns with fd: 2000
[  474.553614] Cannot link a netdevsim to itself
[  474.553714] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).