[  486.287737] netdevsim netdevsim286 eni286np1: renamed from eth0
[  486.291126] netdevsim netdevsim607 eni607np1: renamed from eth1
[  486.385333] Could not find device with ifindex 2000 in netnsfd 11
[  486.385487] Could not find netns with fd: 2000
[  486.385607] Cannot link a netdevsim to itself
[  486.385745] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).