[  795.001099][T15764] netdevsim netdevsim261 eni261np1: renamed from eth0
[  795.026609][T15767] netdevsim netdevsim699 eni699np1: renamed from eth1
[  795.705534][T15752] Could not find device with ifindex 2000 in netnsfd 11
[  795.706116][T15752] Could not find netns with fd: 2000
[  795.706887][T15752] Cannot link a netdevsim to itself
[  795.707701][T15752] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).