[  480.965428] netdevsim netdevsim405 eni405np1: renamed from eth0
[  481.067301] netdevsim netdevsim704 eni704np1: renamed from eth1
[  481.444480] Could not find device with ifindex 2000 in netnsfd 11
[  481.444638] Could not find netns with fd: 2000
[  481.444739] Cannot link a netdevsim to itself
[  481.444856] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).