[  755.835655][T14583] netdevsim netdevsim261 eni261np1: renamed from eth0
[  755.847427][T14585] netdevsim netdevsim587 eni587np1: renamed from eth1
[  756.410030][T14571] Could not find device with ifindex 2000 in netnsfd 11
[  756.410553][T14571] Could not find netns with fd: 2000
[  756.410902][T14571] Cannot link a netdevsim to itself
[  756.411362][T14571] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).