[ 1006.690401][T12133] netdevsim netdevsim542 eni542np1: renamed from eth1
[ 1006.789951][T12135] netdevsim netdevsim415 eni415np1: renamed from eth0
[ 1008.561003][T12457] Could not find device with ifindex 2000 in netnsfd 11
[ 1008.562237][T12457] Could not find netns with fd: 2000
[ 1008.563263][T12457] Cannot link a netdevsim to itself
[ 1008.564056][T12457] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).