[  487.374556] netdevsim netdevsim480 eni480np1: renamed from eth0
[  487.471607] netdevsim netdevsim530 eni530np1: renamed from eth1
[  487.676237] Could not find device with ifindex 2000 in netnsfd 11
[  487.676576] Could not find netns with fd: 2000
[  487.676690] Cannot link a netdevsim to itself
[  487.676824] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).