[  486.924112] netdevsim netdevsim371 eni371np1: renamed from eth0
[  487.024521] netdevsim netdevsim638 eni638np1: renamed from eth1
[  487.446868] Could not find device with ifindex 2000 in netnsfd 11
[  487.447074] Could not find netns with fd: 2000
[  487.447176] Cannot link a netdevsim to itself
[  487.447306] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).