[ 1317.904204][T12061] netdevsim netdevsim303 eni303np1: renamed from eth0
[ 1317.919318][T12062] netdevsim netdevsim640 eni640np1: renamed from eth1
[ 1321.653460][T12053] Could not find device with ifindex 2000 in netnsfd 11
[ 1321.654266][T12053] Could not find netns with fd: 2000
[ 1321.655168][T12053] Cannot link a netdevsim to itself
[ 1321.655890][T12053] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).