[ 1284.472017][T12849] netdevsim netdevsim666 eni666np1: renamed from eth1
[ 1284.606157][T12852] netdevsim netdevsim372 eni372np1: renamed from eth0
[ 1287.358522][T12839] Could not find device with ifindex 2000 in netnsfd 11
[ 1287.360736][T12839] Could not find netns with fd: 2000
[ 1287.362104][T12839] Cannot link a netdevsim to itself
[ 1287.363639][T12839] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).