[  426.241229] netdevsim netdevsim298 eni298np1: renamed from eth0
[  426.241683] netdevsim netdevsim646 eni646np1: renamed from eth1
[  426.311580] Could not find device with ifindex 2000 in netnsfd 11
[  426.311655] Could not find netns with fd: 2000
[  426.311695] Cannot link a netdevsim to itself
[  426.311741] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).