4.6-stable patches

4.6-stable patches

added patches:
	bpf-inode-disallow-userns-mounts.patch
	bpf-trace-use-read_once-for-retrieving-file-ptr.patch
	bpf-use-mount_nodev-not-mount_ns-to-mount-the-bpf-filesystem.patch
	bridge-don-t-insert-unnecessary-local-fdb-entry-on-changing-mac-address.patch
	ipv4-fix-non-initialized-ttl-when-config_sysctl-n.patch
	ipv6-skip-xfrm-lookup-if-dst_entry-in-socket-cache-is-valid.patch
	l2tp-fix-configuration-passed-to-setup_udp_tunnel_sock.patch
	macsec-fix-netlink-attribute-for-key-id.patch
	net-alx-use-custom-skb-allocator.patch
	net-hwbm-fix-unbalanced-spinlock-in-error-case.patch
	net-mvneta-fix-lacking-spinlock-initialization.patch
	net-nps_enet-disable-interrupts-before-napi-reschedule.patch
	net-stmmac-fix-incorrect-memcpy-source-memory.patch
	netlink-fix-dump-skb-leak-double-free.patch
	sfc-on-mc-reset-clear-pio-buffer-linkage-in-txqs.patch
	switchdev-pass-pointer-to-fib_info-instead-of-copy.patch
	tcp-record-tlp-and-er-timer-stats-in-v6-stats.patch
	team-don-t-call-netdev_change_features-under-team-lock.patch
	tipc-check-nl-sock-before-parsing-nested-attributes.patch
	tipc-fix-nametable-publication-field-in-nl-compat.patch
	tuntap-correctly-wake-up-process-during-uninit.patch
	uapi-glibc-compat-fix-compilation-when-__use_misc-in-glibc.patch
	udp-prevent-skbs-lingering-in-tunnel-socket-queues.patch
	vxlan-accept-user-specified-mtu-value-when-create-new-vxlan-link.patch