[  481.229108] netdevsim netdevsim312 eni312np1: renamed from eth0
[  481.330644] netdevsim netdevsim585 eni585np1: renamed from eth1
[  481.699597] Could not find device with ifindex 2000 in netnsfd 11
[  481.699756] Could not find netns with fd: 2000
[  481.699838] Cannot link a netdevsim to itself
[  481.699929] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).