[  481.324748] netdevsim netdevsim272 eni272np1: renamed from eth0
[  481.426325] netdevsim netdevsim564 eni564np1: renamed from eth1
[  481.748668] Could not find device with ifindex 2000 in netnsfd 11
[  481.748840] Could not find netns with fd: 2000
[  481.748912] Cannot link a netdevsim to itself
[  481.748993] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).