[ 1303.013135][T13028] netdevsim netdevsim521 eni521np1: renamed from eth1
[ 1303.131636][T13031] netdevsim netdevsim392 eni392np1: renamed from eth0
[ 1305.848927][T13018] Could not find device with ifindex 2000 in netnsfd 11
[ 1305.850567][T13018] Could not find netns with fd: 2000
[ 1305.851803][T13018] Cannot link a netdevsim to itself
[ 1305.853103][T13018] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).