[ 1331.506808][T12849] netdevsim netdevsim499 eni499np1: renamed from eth0
[ 1331.617413][T12847] netdevsim netdevsim604 eni604np1: renamed from eth1
[ 1334.396123][T12836] Could not find device with ifindex 2000 in netnsfd 11
[ 1334.398467][T12836] Could not find netns with fd: 2000
[ 1334.399903][T12836] Cannot link a netdevsim to itself
[ 1334.401115][T12836] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).