[ 1277.869222][T12858] netdevsim netdevsim419 eni419np1: renamed from eth0
[ 1278.010388][T12859] netdevsim netdevsim543 eni543np1: renamed from eth1
[ 1280.510950][T12844] Could not find device with ifindex 2000 in netnsfd 11
[ 1280.512213][T12844] Could not find netns with fd: 2000
[ 1280.520619][T12844] Cannot link a netdevsim to itself
[ 1280.521800][T12844] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).