[ 1298.915550][T13057] netdevsim netdevsim640 eni640np1: renamed from eth1
[ 1299.046453][T13058] netdevsim netdevsim258 eni258np1: renamed from eth0
[ 1301.464560][T13045] Could not find device with ifindex 2000 in netnsfd 11
[ 1301.466119][T13045] Could not find netns with fd: 2000
[ 1301.467077][T13045] Cannot link a netdevsim to itself
[ 1301.468247][T13045] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).