[ 1224.655290][T11132] netdevsim netdevsim616 eni616np1: renamed from eth1
[ 1224.688355][T11134] netdevsim netdevsim300 eni300np1: renamed from eth0
[ 1227.961911][T11126] Could not find device with ifindex 2000 in netnsfd 11
[ 1227.963127][T11126] Could not find netns with fd: 2000
[ 1227.964099][T11126] Cannot link a netdevsim to itself
[ 1227.973477][T11126] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).