[  474.542460] netdevsim netdevsim318 eni318np1: renamed from eth0
[  474.543133] netdevsim netdevsim583 eni583np1: renamed from eth1
[  474.620564] Could not find device with ifindex 2000 in netnsfd 11
[  474.620650] Could not find netns with fd: 2000
[  474.620693] Cannot link a netdevsim to itself
[  474.620748] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).