[  808.601854][T15845] netdevsim netdevsim336 eni336np1: renamed from eth0
[  808.619787][T15846] netdevsim netdevsim649 eni649np1: renamed from eth1
[  809.217300][T15834] Could not find device with ifindex 2000 in netnsfd 11
[  809.217956][T15834] Could not find netns with fd: 2000
[  809.218409][T15834] Cannot link a netdevsim to itself
[  809.218912][T15834] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).