[  808.638112][T15708] netdevsim netdevsim321 eni321np1: renamed from eth0
[  808.686756][T15706] netdevsim netdevsim528 eni528np1: renamed from eth1
[  809.469013][T15694] Could not find device with ifindex 2000 in netnsfd 11
[  809.469713][T15694] Could not find netns with fd: 2000
[  809.470213][T15694] Cannot link a netdevsim to itself
[  809.470735][T15694] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).