[  758.083364][T14443] netdevsim netdevsim396 eni396np1: renamed from eth0
[  758.092812][T14445] netdevsim netdevsim721 eni721np1: renamed from eth1
[  758.678081][T14431] Could not find device with ifindex 2000 in netnsfd 11
[  758.678660][T14431] Could not find netns with fd: 2000
[  758.679039][T14431] Cannot link a netdevsim to itself
[  758.679462][T14431] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).