[ 1321.296116][T13033] netdevsim netdevsim525 eni525np1: renamed from eth1
[ 1321.432094][T13035] netdevsim netdevsim440 eni440np1: renamed from eth0
[ 1323.956184][T13023] Could not find device with ifindex 2000 in netnsfd 11
[ 1323.957729][T13023] Could not find netns with fd: 2000
[ 1323.958600][T13023] Cannot link a netdevsim to itself
[ 1323.959633][T13023] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).