[  861.598000][T14775] netdevsim netdevsim489 eni489np1: renamed from eth0
[  861.602687][T14774] netdevsim netdevsim747 eni747np1: renamed from eth1
[  862.329188][T14763] Could not find device with ifindex 2000 in netnsfd 11
[  862.330040][T14763] Could not find netns with fd: 2000
[  862.330431][T14763] Cannot link a netdevsim to itself
[  862.330875][T14763] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).