[  427.334640] netdevsim netdevsim492 eni492np1: renamed from eth0
[  427.335359] netdevsim netdevsim689 eni689np1: renamed from eth1
[  427.425808] Could not find device with ifindex 2000 in netnsfd 11
[  427.425928] Could not find netns with fd: 2000
[  427.426026] Cannot link a netdevsim to itself
[  427.426139] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).