[  508.134033] netdevsim netdevsim492 eni492np1: renamed from eth0
[  508.232124] netdevsim netdevsim569 eni569np1: renamed from eth1
[  508.437218] Could not find device with ifindex 2000 in netnsfd 11
[  508.437413] Could not find netns with fd: 2000
[  508.437496] Cannot link a netdevsim to itself
[  508.437592] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).