[ 1042.356869][T12583] netdevsim netdevsim503 eni503np1: renamed from eth0
[ 1042.462058][T12584] netdevsim netdevsim746 eni746np1: renamed from eth1
[ 1044.438118][T12575] Could not find device with ifindex 2000 in netnsfd 11
[ 1044.439074][T12575] Could not find netns with fd: 2000
[ 1044.439745][T12575] Cannot link a netdevsim to itself
[ 1044.440542][T12575] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).