[  751.292511][T14465] netdevsim netdevsim312 eni312np1: renamed from eth0
[  751.308117][T14467] netdevsim netdevsim558 eni558np1: renamed from eth1
[  751.864329][T14453] Could not find device with ifindex 2000 in netnsfd 11
[  751.864938][T14453] Could not find netns with fd: 2000
[  751.865425][T14453] Cannot link a netdevsim to itself
[  751.865939][T14453] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).