[ 1018.907456][T12134] netdevsim netdevsim404 eni404np1: renamed from eth0
[ 1019.003638][T12133] netdevsim netdevsim707 eni707np1: renamed from eth1
[ 1020.876006][T12457] Could not find device with ifindex 2000 in netnsfd 11
[ 1020.877037][T12457] Could not find netns with fd: 2000
[ 1020.877802][T12457] Cannot link a netdevsim to itself
[ 1020.878615][T12457] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).