[  846.377512][T14780] netdevsim netdevsim330 eni330np1: renamed from eth0
[  846.398771][T14782] netdevsim netdevsim611 eni611np1: renamed from eth1
[  847.063533][T14768] Could not find device with ifindex 2000 in netnsfd 11
[  847.064403][T14768] Could not find netns with fd: 2000
[  847.064802][T14768] Cannot link a netdevsim to itself
[  847.065252][T14768] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).