[  487.055085] netdevsim netdevsim429 eni429np1: renamed from eth0
[  487.156323] netdevsim netdevsim709 eni709np1: renamed from eth1
[  487.593399] Could not find device with ifindex 2000 in netnsfd 11
[  487.593572] Could not find netns with fd: 2000
[  487.593683] Cannot link a netdevsim to itself
[  487.593804] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).