[  486.116696] netdevsim netdevsim267 eni267np1: renamed from eth0
[  486.218659] netdevsim netdevsim690 eni690np1: renamed from eth1
[  486.626408] Could not find device with ifindex 2000 in netnsfd 11
[  486.626586] Could not find netns with fd: 2000
[  486.626679] Cannot link a netdevsim to itself
[  486.626817] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).