[  847.668606][T14805] netdevsim netdevsim344 eni344np1: renamed from eth0
[  847.680812][T14807] netdevsim netdevsim578 eni578np1: renamed from eth1
[  848.440485][T14793] Could not find device with ifindex 2000 in netnsfd 11
[  848.441322][T14793] Could not find netns with fd: 2000
[  848.441838][T14793] Cannot link a netdevsim to itself
[  848.442357][T14793] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).