4.20-stable patches

4.20-stable patches

added patches:
	ip6mr-fix-notifiers-call-on-mroute_clean_tables.patch
	ipv6-consider-sk_bound_dev_if-when-binding-a-socket-to-an-address.patch
	ipv6-sr-clear-ip6cb-skb-on-srh-ip4ip6-encapsulation.patch
	ipvlan-l3mdev-fix-broken-l3s-mode-wrt-local-routes.patch
	l2tp-copy-4-more-bytes-to-linear-part-if-necessary.patch
	l2tp-fix-reading-optional-fields-of-l2tpv3.patch
	net-ip6_gre-always-reports-o_key-to-userspace.patch
	net-ip_gre-always-reports-o_key-to-userspace.patch
	net-ip_gre-use-erspan-key-field-for-tunnel-lookup.patch
	net-ipv6-don-t-return-positive-numbers-when-nothing-was-dumped.patch
	net-mlx4_core-add-masking-for-a-few-queries-on-hca-caps.patch
	net-mlx5e-allow-mac-invalidation-while-spoofchk-is-on.patch
	net-rose-fix-null-ax25_cb-kernel-panic.patch
	net-set-default-network-namespace-in-init_dummy_netdev.patch
	net-tls-fix-deadlock-in-free_resources-tx.patch
	net-tls-save-iv-in-tls_rec-for-async-crypto-requests.patch
	netrom-switch-to-sock-timer-api.patch
	ravb-expand-rx-descriptor-data-to-accommodate-hw-checksum.patch
	revert-net-mlx5e-e-switch-initialize-eswitch-only-if-eswitch-manager.patch
	sctp-improve-the-events-for-sctp-stream-adding.patch
	sctp-improve-the-events-for-sctp-stream-reset.patch
	sctp-set-chunk-transport-correctly-when-it-s-a-new-asoc.patch
	sctp-set-flow-sport-from-saddr-only-when-it-s-0.patch
	tun-move-the-call-to-tun_set_real_num_queues.patch
	ucc_geth-reset-bql-queue-when-stopping-device.patch
	vhost-fix-oob-in-get_rx_bufs.patch
	virtio_net-differentiate-sk_buff-and-xdp_frame-on-freeing.patch
	virtio_net-don-t-call-free_old_xmit_skbs-for-xdp_frames.patch
	virtio_net-don-t-enable-napi-when-interface-is-down.patch
	virtio_net-don-t-process-redirected-xdp-frames-when-xdp-is-disabled.patch
	virtio_net-fix-not-restoring-real_num_rx_queues.patch
	virtio_net-fix-out-of-bounds-access-of-sq.patch
	virtio_net-use-xdp_return_frame-to-free-xdp_frames-on-destroying-vqs.patch