[  767.785195][T14585] netdevsim netdevsim468 eni468np1: renamed from eth0
[  767.801286][T14587] netdevsim netdevsim624 eni624np1: renamed from eth1
[  768.377426][T14573] Could not find device with ifindex 2000 in netnsfd 11
[  768.377938][T14573] Could not find netns with fd: 2000
[  768.378322][T14573] Cannot link a netdevsim to itself
[  768.378767][T14573] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).