[  757.967554][T14731] netdevsim netdevsim448 eni448np1: renamed from eth0
[  757.986865][T14733] netdevsim netdevsim557 eni557np1: renamed from eth1
[  758.557514][T14719] Could not find device with ifindex 2000 in netnsfd 11
[  758.558076][T14719] Could not find netns with fd: 2000
[  758.558450][T14719] Cannot link a netdevsim to itself
[  758.558872][T14719] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).