[ 1233.295579][T11144] netdevsim netdevsim483 eni483np1: renamed from eth0
[ 1233.393627][T11142] netdevsim netdevsim647 eni647np1: renamed from eth1
[ 1236.669827][T11136] Could not find device with ifindex 2000 in netnsfd 11
[ 1236.670526][T11136] Could not find netns with fd: 2000
[ 1236.671092][T11136] Cannot link a netdevsim to itself
[ 1236.671756][T11136] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).