[  846.790274][T15787] netdevsim netdevsim306 eni306np1: renamed from eth0
[  846.812364][T15785] netdevsim netdevsim662 eni662np1: renamed from eth1
[  847.566767][T15774] Could not find device with ifindex 2000 in netnsfd 11
[  847.567741][T15774] Could not find netns with fd: 2000
[  847.568448][T15774] Cannot link a netdevsim to itself
[  847.569291][T15774] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).