[  810.838777][T14598] netdevsim netdevsim453 eni453np1: renamed from eth0
[  810.856077][T14600] netdevsim netdevsim702 eni702np1: renamed from eth1
[  811.473647][T14586] Could not find device with ifindex 2000 in netnsfd 11
[  811.474577][T14586] Could not find netns with fd: 2000
[  811.478666][T14586] Cannot link a netdevsim to itself
[  811.479490][T14586] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).