[ 1234.091027][T12778] netdevsim netdevsim381 eni381np1: renamed from eth0
[ 1234.196197][T12777] netdevsim netdevsim637 eni637np1: renamed from eth1
[ 1236.604411][T12771] Could not find device with ifindex 2000 in netnsfd 11
[ 1236.605655][T12771] Could not find netns with fd: 2000
[ 1236.608492][T12771] Cannot link a netdevsim to itself
[ 1236.611546][T12771] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).