[  486.646866] netdevsim netdevsim289 eni289np1: renamed from eth0
[  486.647432] netdevsim netdevsim708 eni708np1: renamed from eth1
[  486.741789] Could not find device with ifindex 2000 in netnsfd 11
[  486.741881] Could not find netns with fd: 2000
[  486.741923] Cannot link a netdevsim to itself
[  486.741973] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).