[ 1265.690741][T12862] netdevsim netdevsim291 eni291np1: renamed from eth0
[ 1265.825778][T12859] netdevsim netdevsim746 eni746np1: renamed from eth1
[ 1268.385158][T12849] Could not find device with ifindex 2000 in netnsfd 11
[ 1268.387507][T12849] Could not find netns with fd: 2000
[ 1268.389042][T12849] Cannot link a netdevsim to itself
[ 1268.390419][T12849] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).