[  487.687094] netdevsim netdevsim328 eni328np1: renamed from eth0
[  487.783692] netdevsim netdevsim611 eni611np1: renamed from eth1
[  487.972442] Could not find device with ifindex 2000 in netnsfd 11
[  487.972750] Could not find netns with fd: 2000
[  487.972825] Cannot link a netdevsim to itself
[  487.972939] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).