[  484.089785] netdevsim netdevsim286 eni286np1: renamed from eth0
[  484.090642] netdevsim netdevsim662 eni662np1: renamed from eth1
[  484.171843] Could not find device with ifindex 2000 in netnsfd 11
[  484.171910] Could not find netns with fd: 2000
[  484.171941] Cannot link a netdevsim to itself
[  484.171978] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).