[  475.299383] netdevsim netdevsim445 eni445np1: renamed from eth0
[  475.299997] netdevsim netdevsim530 eni530np1: renamed from eth1
[  475.381238] Could not find device with ifindex 2000 in netnsfd 11
[  475.381327] Could not find netns with fd: 2000
[  475.381370] Cannot link a netdevsim to itself
[  475.381422] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).