[  486.708735] netdevsim netdevsim665 eni665np1: renamed from eth1
[  486.804811] netdevsim netdevsim367 eni367np1: renamed from eth0
[  487.040246] Could not find device with ifindex 2000 in netnsfd 11
[  487.040579] Could not find netns with fd: 2000
[  487.040670] Cannot link a netdevsim to itself
[  487.040788] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).