[  478.937939] netdevsim netdevsim293 eni293np1: renamed from eth0
[  478.939299] netdevsim netdevsim696 eni696np1: renamed from eth1
[  479.039316] Could not find device with ifindex 2000 in netnsfd 11
[  479.039432] Could not find netns with fd: 2000
[  479.039486] Cannot link a netdevsim to itself
[  479.039546] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).