[  809.042029][T15800] netdevsim netdevsim331 eni331np1: renamed from eth0
[  809.055292][T15802] netdevsim netdevsim527 eni527np1: renamed from eth1
[  809.667576][T15787] Could not find device with ifindex 2000 in netnsfd 11
[  809.668113][T15787] Could not find netns with fd: 2000
[  809.668486][T15787] Cannot link a netdevsim to itself
[  809.668901][T15787] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).