[  822.232885][T15850] netdevsim netdevsim483 eni483np1: renamed from eth0
[  822.242910][T15853] netdevsim netdevsim642 eni642np1: renamed from eth1
[  822.930916][T15839] Could not find device with ifindex 2000 in netnsfd 11
[  822.931598][T15839] Could not find netns with fd: 2000
[  822.932048][T15839] Cannot link a netdevsim to itself
[  822.932591][T15839] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).