[    9.581409] netdevsim netdevsim349 eni349np1: renamed from eth0
[    9.676525] netdevsim netdevsim712 eni712np1: renamed from eth1
[    9.956297] Could not find device with ifindex 2000 in netnsfd 11
[    9.956551] Could not find netns with fd: 2000
[    9.956672] Cannot link a netdevsim to itself
[    9.956814] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).