[  484.555771] netdevsim netdevsim485 eni485np1: renamed from eth0
[  484.556055] netdevsim netdevsim760 eni760np1: renamed from eth1
[  484.644375] Could not find device with ifindex 2000 in netnsfd 11
[  484.644463] Could not find netns with fd: 2000
[  484.644506] Cannot link a netdevsim to itself
[  484.644560] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).