[ 1021.674482][T12126] netdevsim netdevsim697 eni697np1: renamed from eth1
[ 1021.762697][T12125] netdevsim netdevsim298 eni298np1: renamed from eth0
[ 1023.612699][T12550] Could not find device with ifindex 2000 in netnsfd 11
[ 1023.613679][T12550] Could not find netns with fd: 2000
[ 1023.619285][T12550] Cannot link a netdevsim to itself
[ 1023.620141][T12550] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).