[  483.474449] netdevsim netdevsim258 eni258np1: renamed from eth0
[  483.475193] netdevsim netdevsim632 eni632np1: renamed from eth1
[  483.550852] Could not find device with ifindex 2000 in netnsfd 11
[  483.551005] Could not find netns with fd: 2000
[  483.551128] Cannot link a netdevsim to itself
[  483.551239] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).