[  486.603788] netdevsim netdevsim481 eni481np1: renamed from eth0
[  486.700370] netdevsim netdevsim653 eni653np1: renamed from eth1
[  486.925142] Could not find device with ifindex 2000 in netnsfd 11
[  486.925442] Could not find netns with fd: 2000
[  486.925530] Cannot link a netdevsim to itself
[  486.925638] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).