[ 1020.811324][T12730] netdevsim netdevsim319 eni319np1: renamed from eth0
[ 1020.908118][T12680] netdevsim netdevsim671 eni671np1: renamed from eth1
[ 1022.725488][T12725] Could not find device with ifindex 2000 in netnsfd 11
[ 1022.726906][T12725] Could not find netns with fd: 2000
[ 1022.728156][T12725] Cannot link a netdevsim to itself
[ 1022.729424][T12725] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).