[ 1301.875538][T12856] netdevsim netdevsim480 eni480np1: renamed from eth0
[ 1301.928456][T12853] netdevsim netdevsim630 eni630np1: renamed from eth1
[ 1304.542254][T12843] Could not find device with ifindex 2000 in netnsfd 11
[ 1304.544577][T12843] Could not find netns with fd: 2000
[ 1304.545853][T12843] Cannot link a netdevsim to itself
[ 1304.548108][T12843] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).