[  808.018265][T14768] netdevsim netdevsim261 eni261np1: renamed from eth0
[  808.043710][T14770] netdevsim netdevsim685 eni685np1: renamed from eth1
[  808.653520][T14756] Could not find device with ifindex 2000 in netnsfd 11
[  808.654526][T14756] Could not find netns with fd: 2000
[  808.654992][T14756] Cannot link a netdevsim to itself
[  808.655584][T14756] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).