[  459.951397] netdevsim netdevsim342 eni342np1: renamed from eth0
[  459.952081] netdevsim netdevsim709 eni709np1: renamed from eth1
[  460.041452] Could not find device with ifindex 2000 in netnsfd 11
[  460.041567] Could not find netns with fd: 2000
[  460.041614] Cannot link a netdevsim to itself
[  460.041669] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).