[  491.703392] netdevsim netdevsim708 eni708np1: renamed from eth1
[  491.800769] netdevsim netdevsim267 eni267np1: renamed from eth0
[  492.022821] Could not find device with ifindex 2000 in netnsfd 11
[  492.023014] Could not find netns with fd: 2000
[  492.023102] Cannot link a netdevsim to itself
[  492.023207] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).