[  720.174869][T13063] netdevsim netdevsim328 eni328np1: renamed from eth0
[  720.198636][T13065] netdevsim netdevsim574 eni574np1: renamed from eth1
[  720.874858][T13051] Could not find device with ifindex 2000 in netnsfd 11
[  720.875821][T13051] Could not find netns with fd: 2000
[  720.876378][T13051] Cannot link a netdevsim to itself
[  720.876857][T13051] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).