[  489.329805] netdevsim netdevsim329 eni329np1: renamed from eth0
[  489.330099] netdevsim netdevsim637 eni637np1: renamed from eth1
[  489.410695] Could not find device with ifindex 2000 in netnsfd 11
[  489.410847] Could not find netns with fd: 2000
[  489.410957] Cannot link a netdevsim to itself
[  489.411072] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).