[ 1024.024715][T12061] netdevsim netdevsim532 eni532np1: renamed from eth1
[ 1024.110415][T12128] netdevsim netdevsim462 eni462np1: renamed from eth0
[ 1025.978894][T12547] Could not find device with ifindex 2000 in netnsfd 11
[ 1025.979977][T12547] Could not find netns with fd: 2000
[ 1025.980819][T12547] Cannot link a netdevsim to itself
[ 1025.987808][T12547] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).