[  483.448141] netdevsim netdevsim502 eni502np1: renamed from eth0
[  483.548876] netdevsim netdevsim530 eni530np1: renamed from eth1
[  483.943371] Could not find device with ifindex 2000 in netnsfd 11
[  483.943491] Could not find netns with fd: 2000
[  483.943554] Cannot link a netdevsim to itself
[  483.943636] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).