[  485.394986] netdevsim netdevsim486 eni486np1: renamed from eth0
[  485.496712] netdevsim netdevsim732 eni732np1: renamed from eth1
[  485.831791] Could not find device with ifindex 2000 in netnsfd 11
[  485.831960] Could not find netns with fd: 2000
[  485.832055] Cannot link a netdevsim to itself
[  485.832174] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).