[ 1233.410095][T12784] netdevsim netdevsim603 eni603np1: renamed from eth1
[ 1233.496365][T12786] netdevsim netdevsim353 eni353np1: renamed from eth0
[ 1236.003409][T12778] Could not find device with ifindex 2000 in netnsfd 11
[ 1236.004594][T12778] Could not find netns with fd: 2000
[ 1236.005467][T12778] Cannot link a netdevsim to itself
[ 1236.006577][T12778] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).