[  489.757782] netdevsim netdevsim260 eni260np1: renamed from eth0
[  489.758067] netdevsim netdevsim692 eni692np1: renamed from eth1
[  489.869631] Could not find device with ifindex 2000 in netnsfd 11
[  489.869794] Could not find netns with fd: 2000
[  489.869897] Cannot link a netdevsim to itself
[  489.870010] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).