[  772.046280][T14579] netdevsim netdevsim296 eni296np1: renamed from eth0
[  772.060239][T14581] netdevsim netdevsim682 eni682np1: renamed from eth1
[  772.624777][T14567] Could not find device with ifindex 2000 in netnsfd 11
[  772.625628][T14567] Could not find netns with fd: 2000
[  772.626008][T14567] Cannot link a netdevsim to itself
[  772.626428][T14567] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).