scripts/kconfig/conf  --syncconfig Kconfig
  DESCEND  objtool
  CALL    scripts/atomic/check-atomics.sh
  CALL    scripts/checksyscalls.sh
  CHK     include/generated/compile.h
  CC      security/smack/smack_netfilter.o
  CC      security/selinux/hooks.o
  CC      security/lsm_audit.o
  CC      security/apparmor/lsm.o
  CC      net/ife/ife.o
  CC      net/key/af_key.o
  CC      net/kcm/kcmsock.o
  CC      net/l3mdev/l3mdev.o
  CC      net/kcm/kcmproc.o
  CC      security/selinux/ibpkey.o
  CC      security/selinux/ss/ebitmap.o
  CC      security/selinux/ss/sidtab.o
  CC      security/selinux/ss/avtab.o
  CC      net/lapb/lapb_in.o
  CC      net/lapb/lapb_out.o
  CC      net/ieee802154/netlink.o
  CC      net/mpls/mpls_gso.o
  CC      net/l2tp/l2tp_core.o
  CC      net/ncsi/ncsi-cmd.o
  CC      net/netlink/af_netlink.o
  CC      net/lapb/lapb_subr.o
  CC      net/mpls/af_mpls.o
  CC      net/ieee802154/nl-mac.o
  CC      net/netlink/genetlink.o
  CC      net/ieee802154/nl-phy.o
  CC      net/mac802154/main.o
  CC      net/netlabel/netlabel_user.o
  CC      net/bridge/br_netfilter_hooks.o
  CC      net/bridge/br_netfilter_ipv6.o
  CC      net/llc/llc_core.o
  CC      net/netrom/af_netrom.o
  CC      net/lapb/lapb_timer.o
  CC      net/netlink/diag.o
  CC      net/netrom/nr_dev.o
  CC      net/ncsi/ncsi-rsp.o
  CC      net/netrom/nr_in.o
  CC      net/netrom/nr_loopback.o
  CC      net/netrom/nr_out.o
  CC      net/netrom/nr_route.o
  CC      net/llc/llc_input.o
  CC      net/netlabel/netlabel_kapi.o
  CC      net/nsh/nsh.o
  CC      net/bridge/netfilter/nft_reject_bridge.o
  CC      net/nfc/core.o
  CC      net/mac80211/main.o
  CC      net/ipv6/af_inet6.o
  CC      net/ipv6/anycast.o
  CC      net/openvswitch/actions.o
  CC      net/ipv6/ip6_output.o
  CC      security/selinux/ss/policydb.o
  CC      net/ipv4/route.o
In file included from security/smack/smack_netfilter.c:18:
./include/linux/netfilter_ipv6.h: In function ‘nf_ipv6_br_defrag’:
./include/linux/netfilter_ipv6.h:110:9: error: implicit declaration of function ‘nf_ct_frag6_gather’ [-Werror=implicit-function-declaration]
  110 |  return nf_ct_frag6_gather(net, skb, user);
      |         ^~~~~~~~~~~~~~~~~~
In file included from security/apparmor/lsm.c:27:
./include/linux/netfilter_ipv6.h: In function ‘nf_ipv6_br_defrag’:
./include/linux/netfilter_ipv6.h:110:9: error: implicit declaration of function ‘nf_ct_frag6_gather’ [-Werror=implicit-function-declaration]
  110 |  return nf_ct_frag6_gather(net, skb, user);
      |         ^~~~~~~~~~~~~~~~~~
In file included from net/bridge/br_netfilter_ipv6.c:30:
./include/linux/netfilter_ipv6.h: In function ‘nf_ipv6_br_defrag’:
./include/linux/netfilter_ipv6.h:110:9: error: implicit declaration of function ‘nf_ct_frag6_gather’ [-Werror=implicit-function-declaration]
  110 |  return nf_ct_frag6_gather(net, skb, user);
      |         ^~~~~~~~~~~~~~~~~~
In file included from net/bridge/br_netfilter_hooks.c:31:
./include/linux/netfilter_ipv6.h: In function ‘nf_ipv6_br_defrag’:
./include/linux/netfilter_ipv6.h:110:9: error: implicit declaration of function ‘nf_ct_frag6_gather’ [-Werror=implicit-function-declaration]
  110 |  return nf_ct_frag6_gather(net, skb, user);
      |         ^~~~~~~~~~~~~~~~~~
  CC      net/openvswitch/datapath.o
  CC      net/llc/llc_output.o
  CC      net/ieee802154/core.o
cc1: some warnings being treated as errors
scripts/Makefile.build:278: recipe for target 'security/smack/smack_netfilter.o' failed
make[2]: *** [security/smack/smack_netfilter.o] Error 1
scripts/Makefile.build:489: recipe for target 'security/smack' failed
make[1]: *** [security/smack] Error 2
make[1]: *** Waiting for unfinished jobs....
  CC      net/lapb/lapb_iface.o
  CC      net/netlabel/netlabel_domainhash.o
  CC      net/netlabel/netlabel_addrlist.o
  CC      net/netrom/nr_subr.o
In file included from security/selinux/hooks.c:54:
./include/linux/netfilter_ipv6.h: In function ‘nf_ipv6_br_defrag’:
./include/linux/netfilter_ipv6.h:110:9: error: implicit declaration of function ‘nf_ct_frag6_gather’ [-Werror=implicit-function-declaration]
  110 |  return nf_ct_frag6_gather(net, skb, user);
      |         ^~~~~~~~~~~~~~~~~~
  CC      net/netrom/nr_timer.o
In file included from net/bridge/netfilter/nft_reject_bridge.c:23:
./include/linux/netfilter_ipv6.h: In function ‘nf_ipv6_br_defrag’:
./include/linux/netfilter_ipv6.h:110:9: error: implicit declaration of function ‘nf_ct_frag6_gather’ [-Werror=implicit-function-declaration]
  110 |  return nf_ct_frag6_gather(net, skb, user);
      |         ^~~~~~~~~~~~~~~~~~
  CC      net/netrom/sysctl_net_netrom.o
In file included from net/ipv6/ip6_output.c:44:
./include/linux/netfilter_ipv6.h: In function ‘nf_ipv6_br_defrag’:
./include/linux/netfilter_ipv6.h:110:9: error: implicit declaration of function ‘nf_ct_frag6_gather’ [-Werror=implicit-function-declaration]
  110 |  return nf_ct_frag6_gather(net, skb, user);
      |         ^~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
In file included from net/ipv6/af_inet6.c:45:
./include/linux/netfilter_ipv6.h: In function ‘nf_ipv6_br_defrag’:
./include/linux/netfilter_ipv6.h:110:9: error: implicit declaration of function ‘nf_ct_frag6_gather’ [-Werror=implicit-function-declaration]
  110 |  return nf_ct_frag6_gather(net, skb, user);
      |         ^~~~~~~~~~~~~~~~~~
scripts/Makefile.build:278: recipe for target 'net/bridge/br_netfilter_ipv6.o' failed
make[2]: *** [net/bridge/br_netfilter_ipv6.o] Error 1
make[2]: *** Waiting for unfinished jobs....
  CC      net/ipv6/ip6_input.o
  CC      net/ipv6/addrconf.o
  CC      net/openvswitch/dp_notify.o
  CC      net/openvswitch/flow.o
  CC      net/ieee802154/header_ops.o
  CC      security/selinux/ss/services.o
  CC      security/selinux/ss/conditional.o
  AR      net/l3mdev/built-in.a
  CC      net/l2tp/l2tp_ppp.o
  AR      net/ife/built-in.a
  CC      net/openvswitch/flow_netlink.o
  CC      net/openvswitch/flow_table.o
  CC      net/openvswitch/meter.o
  CC      net/l2tp/l2tp_ip.o
In file included from net/openvswitch/actions.c:25:
./include/linux/netfilter_ipv6.h: In function ‘nf_ipv6_br_defrag’:
./include/linux/netfilter_ipv6.h:110:9: error: implicit declaration of function ‘nf_ct_frag6_gather’ [-Werror=implicit-function-declaration]
  110 |  return nf_ct_frag6_gather(net, skb, user);
      |         ^~~~~~~~~~~~~~~~~~
  CC      net/llc/llc_if.o
  CC      net/llc/llc_c_ev.o
  CC      net/ncsi/ncsi-aen.o
  CC      net/mac802154/rx.o
  CC      net/netlabel/netlabel_mgmt.o
  CC      net/mac802154/tx.o
  CC      net/netlabel/netlabel_unlabeled.o
  AR      net/nsh/built-in.a
  CC      net/netlabel/netlabel_cipso_v4.o
  CC      net/netfilter/core.o
  CC      net/l2tp/l2tp_netlink.o
  CC      net/ipv6/addrlabel.o
cc1: some warnings being treated as errors
scripts/Makefile.build:278: recipe for target 'net/bridge/netfilter/nft_reject_bridge.o' failed
make[3]: *** [net/bridge/netfilter/nft_reject_bridge.o] Error 1
scripts/Makefile.build:489: recipe for target 'net/bridge/netfilter' failed
make[2]: *** [net/bridge/netfilter] Error 2
  CC      net/llc/llc_c_ac.o
  CC      net/netfilter/nf_queue.o
  CC      net/netfilter/nf_log.o
  CC      net/mpls/mpls_iptunnel.o
  CC      net/openvswitch/vport.o
  CC      security/selinux/ss/mls.o
  CC      net/ncsi/ncsi-manage.o
In file included from net/ipv6/ip6_input.c:35:
./include/linux/netfilter_ipv6.h: In function ‘nf_ipv6_br_defrag’:
./include/linux/netfilter_ipv6.h:110:9: error: implicit declaration of function ‘nf_ct_frag6_gather’ [-Werror=implicit-function-declaration]
  110 |  return nf_ct_frag6_gather(net, skb, user);
      |         ^~~~~~~~~~~~~~~~~~
  CC      net/netlabel/netlabel_calipso.o
  CC      security/selinux/ss/status.o
  CC      security/selinux/xfrm.o
cc1: some warnings being treated as errors
scripts/Makefile.build:278: recipe for target 'net/ipv6/af_inet6.o' failed
make[2]: *** [net/ipv6/af_inet6.o] Error 1
make[2]: *** Waiting for unfinished jobs....
  CC      net/nfc/netlink.o
  CC      net/nfc/af_nfc.o
  CC      net/ieee802154/sysfs.o
  CC      net/openvswitch/vport-internal_dev.o
  AR      net/netrom/built-in.a
In file included from net/netfilter/core.c:19:
./include/linux/netfilter_ipv6.h: In function ‘nf_ipv6_br_defrag’:
./include/linux/netfilter_ipv6.h:110:9: error: implicit declaration of function ‘nf_ct_frag6_gather’ [-Werror=implicit-function-declaration]
  110 |  return nf_ct_frag6_gather(net, skb, user);
      |         ^~~~~~~~~~~~~~~~~~
  CC      net/netfilter/nf_sockopt.o
cc1: some warnings being treated as errors
scripts/Makefile.build:278: recipe for target 'net/bridge/br_netfilter_hooks.o' failed
make[2]: *** [net/bridge/br_netfilter_hooks.o] Error 1
scripts/Makefile.build:489: recipe for target 'net/bridge' failed
make[1]: *** [net/bridge] Error 2
make[1]: *** Waiting for unfinished jobs....
  CC      net/mac802154/mac_cmd.o
  CC      net/mac802154/mib.o
  CC      net/llc/llc_conn.o
  CC      net/llc/llc_c_st.o
  CC      net/llc/llc_pdu.o
  CC      security/selinux/netlabel.o
In file included from net/netfilter/nf_queue.c:14:
./include/linux/netfilter_ipv6.h: In function ‘nf_ipv6_br_defrag’:
./include/linux/netfilter_ipv6.h:110:9: error: implicit declaration of function ‘nf_ct_frag6_gather’ [-Werror=implicit-function-declaration]
  110 |  return nf_ct_frag6_gather(net, skb, user);
      |         ^~~~~~~~~~~~~~~~~~
  CC      net/mac802154/iface.o
  CC      net/ncsi/ncsi-netlink.o
  CC      net/l2tp/l2tp_eth.o
  GZIP    kernel/config_data.gz
  AR      net/lapb/built-in.a
  CC      net/nfc/rawsock.o
  CC      net/llc/llc_sap.o
  CC      net/llc/llc_s_ac.o
  CC      net/llc/llc_s_ev.o
  CC      net/llc/llc_s_st.o
cc1: some warnings being treated as errors
scripts/Makefile.build:278: recipe for target 'net/netfilter/core.o' failed
make[2]: *** [net/netfilter/core.o] Error 1
make[2]: *** Waiting for unfinished jobs....
  CC      net/mac802154/llsec.o
  CC      net/mac802154/cfg.o
  CC      net/mac802154/util.o
  CC      kernel/configs.o
cc1: some warnings being treated as errors
scripts/Makefile.build:278: recipe for target 'net/netfilter/nf_queue.o' failed
make[2]: *** [net/netfilter/nf_queue.o] Error 1
  CC      net/mac802154/trace.o
  CC      net/l2tp/l2tp_ip6.o
  CC      net/nfc/llcp_core.o
  AR      net/kcm/built-in.a
  CC      net/nfc/llcp_commands.o
cc1: some warnings being treated as errors
scripts/Makefile.build:278: recipe for target 'security/apparmor/lsm.o' failed
make[2]: *** [security/apparmor/lsm.o] Error 1
scripts/Makefile.build:489: recipe for target 'security/apparmor' failed
make[1]: *** [security/apparmor] Error 2
  CC      net/llc/af_llc.o
  CC      net/nfc/llcp_sock.o
  CC      net/llc/llc_station.o
  CC      net/llc/llc_proc.o
  CC      net/llc/sysctl_net_llc.o
cc1: some warnings being treated as errors
scripts/Makefile.build:278: recipe for target 'net/ipv6/ip6_input.o' failed
make[2]: *** [net/ipv6/ip6_input.o] Error 1
  CC      net/nfc/nci/core.o
  CC      net/ipv4/inetpeer.o
  CC      net/ieee802154/nl802154.o
  CC      net/ieee802154/trace.o
  CC      net/ipv4/protocol.o
  CC      net/mac80211/status.o
  CC      net/ieee802154/socket.o
  CC      net/nfc/nci/data.o
  AR      kernel/built-in.a
  CC      net/openvswitch/vport-netdev.o
  CC      net/openvswitch/vport-vxlan.o
  CC      net/openvswitch/conntrack.o
  CC      net/openvswitch/vport-geneve.o
  CC      net/openvswitch/vport-gre.o
  CC      net/ipv4/ip_input.o
  CC      net/ipv4/ip_fragment.o
  CC      net/ieee802154/6lowpan/core.o
  AR      net/netlabel/built-in.a
  CC      net/ipv4/ip_forward.o
  CC      net/ieee802154/6lowpan/rx.o
scripts/Makefile.build:489: recipe for target 'net/netfilter' failed
make[1]: *** [net/netfilter] Error 2
  CC      net/ipv4/ip_options.o
  CC      net/ipv4/ip_output.o
  CC      net/mac80211/driver-ops.o
  CC      net/ieee802154/6lowpan/reassembly.o
  CC      net/nfc/nci/ntf.o
  CC      net/ipv4/ip_sockglue.o
  CC      net/ieee802154/6lowpan/tx.o
  CC      net/ipv4/inet_hashtables.o
  CC      net/mac80211/sta_info.o
  CC      net/mac80211/wep.o
  CC      net/mac80211/wpa.o
  CC      net/ipv4/inet_timewait_sock.o
  CC      net/ipv4/inet_connection_sock.o
  AR      net/mpls/built-in.a
  CC      net/ipv4/tcp.o
  CC      net/nfc/nci/rsp.o
  AR      net/netlink/built-in.a
  CC      net/nfc/nci/hci.o
  CC      net/ipv4/tcp_input.o
  CC      net/ipv4/tcp_output.o
  CC      net/mac80211/scan.o
  CC      net/ipv4/tcp_timer.o
  CC      net/ipv4/tcp_ipv4.o
  CC      net/ipv4/tcp_minisocks.o
cc1: some warnings being treated as errors
scripts/Makefile.build:278: recipe for target 'net/openvswitch/actions.o' failed
make[2]: *** [net/openvswitch/actions.o] Error 1
make[2]: *** Waiting for unfinished jobs....
  CC      net/ipv4/tcp_cong.o
  CC      net/mac80211/offchannel.o
  CC      net/mac80211/ht.o
  CC      net/mac80211/agg-tx.o
  CC      net/ipv4/tcp_metrics.o
  CC      net/mac80211/agg-rx.o
  CC      net/ipv4/tcp_fastopen.o
  CC      net/mac80211/vht.o
  CC      net/ipv4/tcp_rate.o
  AR      net/l2tp/built-in.a
  AR      net/llc/built-in.a
  CC      net/ipv4/tcp_recovery.o
  CC      net/ipv4/tcp_ulp.o
  CC      net/mac80211/he.o
  AR      net/ncsi/built-in.a
  CC      net/ipv4/tcp_offload.o
  CC      net/mac80211/ibss.o
  AR      net/mac802154/built-in.a
  CC      net/ipv4/datagram.o
  CC      net/mac80211/iface.o
  CC      net/mac80211/rate.o
  CC      net/mac80211/michael.o
  CC      net/ipv4/raw.o
  CC      net/mac80211/tkip.o
  CC      net/ipv4/udp.o
  CC      net/mac80211/aes_cmac.o
  CC      net/ipv4/udplite.o
  CC      net/ipv4/udp_offload.o
  AR      net/ieee802154/6lowpan/built-in.a
  CC      net/mac80211/aes_gmac.o
  CC      net/ipv4/arp.o
  AR      net/key/built-in.a
  CC      net/mac80211/fils_aead.o
  CC      net/ipv4/icmp.o
  CC      net/mac80211/ethtool.o
  CC      net/mac80211/cfg.o
  CC      net/ipv4/devinet.o
cc1: some warnings being treated as errors
  CC      net/ipv4/af_inet.o
  CC      net/ipv4/igmp.o
scripts/Makefile.build:278: recipe for target 'net/ipv6/ip6_output.o' failed
make[2]: *** [net/ipv6/ip6_output.o] Error 1
  CC      net/mac80211/rx.o
  CC      net/ipv4/fib_frontend.o
  CC      net/ipv4/fib_semantics.o
  CC      net/mac80211/spectmgmt.o
  CC      net/mac80211/tx.o
cc1: some warnings being treated as errors
scripts/Makefile.build:278: recipe for target 'security/selinux/hooks.o' failed
make[2]: *** [security/selinux/hooks.o] Error 1
scripts/Makefile.build:489: recipe for target 'security/selinux' failed
make[1]: *** [security/selinux] Error 2
Makefile:1071: recipe for target 'security' failed
make: *** [security] Error 2
make: *** Waiting for unfinished jobs....
  CC      net/mac80211/key.o
  CC      net/mac80211/util.o
  CC      net/ipv4/fib_trie.o
  CC      net/ipv4/fib_notifier.o
  CC      net/ipv4/inet_fragment.o
  CC      net/ipv4/ping.o
  CC      net/mac80211/wme.o
  AR      net/nfc/nci/built-in.a
  CC      net/ipv4/ip_tunnel_core.o
  CC      net/ipv4/gre_offload.o
  CC      net/ipv4/metrics.o
  AR      net/nfc/built-in.a
  CC      net/ipv4/netlink.o
  CC      net/ipv4/nexthop.o
  CC      net/mac80211/chan.o
  CC      net/mac80211/trace.o
  CC      net/mac80211/mlme.o
  CC      net/ipv4/ip_tunnel.o
  CC      net/ipv4/sysctl_net_ipv4.o
  CC      net/mac80211/tdls.o
  CC      net/ipv4/proc.o
  CC      net/ipv4/fib_rules.o
  CC      net/ipv4/ipmr.o
  CC      net/ipv4/ipmr_base.o
  CC      net/mac80211/ocb.o
  AR      net/ieee802154/built-in.a
  CC      net/ipv4/ipip.o
  CC      net/mac80211/led.o
  CC      net/mac80211/debugfs.o
  CC      net/mac80211/debugfs_sta.o
  CC      net/mac80211/debugfs_netdev.o
  CC      net/mac80211/debugfs_key.o
  CC      net/ipv4/fou.o
  CC      net/mac80211/mesh.o
  CC      net/ipv4/gre_demux.o
  CC      net/ipv4/ip_gre.o
  CC      net/mac80211/mesh_pathtbl.o
scripts/Makefile.build:489: recipe for target 'net/openvswitch' failed
make[1]: *** [net/openvswitch] Error 2
  CC      net/ipv4/udp_tunnel.o
  CC      net/mac80211/mesh_plink.o
  CC      net/ipv4/ip_vti.o
  CC      net/mac80211/mesh_hwmp.o
  CC      net/ipv4/syncookies.o
  CC      net/ipv4/ah4.o
  CC      net/mac80211/mesh_sync.o
  CC      net/ipv4/esp4.o
  CC      net/mac80211/mesh_ps.o
  CC      net/mac80211/pm.o
  CC      net/ipv4/esp4_offload.o
  CC      net/mac80211/rc80211_minstrel.o
  CC      net/mac80211/rc80211_minstrel_ht.o
  CC      net/mac80211/rc80211_minstrel_debugfs.o
  CC      net/mac80211/rc80211_minstrel_ht_debugfs.o
  CC      net/ipv4/ipcomp.o
  CC      net/ipv4/xfrm4_tunnel.o
  CC      net/ipv4/tunnel4.o
  CC      net/ipv4/ipconfig.o
  CC      net/ipv4/netfilter.o
  CC      net/ipv4/inet_diag.o
  CC      net/ipv4/udp_diag.o
  CC      net/ipv4/tcp_diag.o
  CC      net/ipv4/raw_diag.o
  CC      net/ipv4/tcp_bbr.o
  CC      net/ipv4/tcp_cubic.o
  CC      net/ipv4/tcp_dctcp.o
scripts/Makefile.build:489: recipe for target 'net/ipv6' failed
make[1]: *** [net/ipv6] Error 2
  CC      net/ipv4/tcp_highspeed.o
  CC      net/ipv4/netfilter/nf_defrag_ipv4.o
  CC      net/ipv4/tcp_hybla.o
  CC      net/ipv4/netfilter/nf_socket_ipv4.o
  CC      net/ipv4/netfilter/nf_tproxy_ipv4.o
  CC      net/ipv4/tcp_vegas.o
  CC      net/ipv4/netfilter/nf_log_arp.o
  CC      net/ipv4/netfilter/nf_log_ipv4.o
  CC      net/ipv4/tcp_nv.o
  CC      net/ipv4/tcp_veno.o
  CC      net/ipv4/netfilter/nf_reject_ipv4.o
  CC      net/ipv4/tcp_scalable.o
  CC      net/ipv4/tcp_lp.o
  CC      net/ipv4/tcp_yeah.o
  CC      net/ipv4/netfilter/nf_nat_h323.o
  CC      net/ipv4/tcp_illinois.o
  CC      net/ipv4/netfilter/nf_nat_pptp.o
  CC      net/ipv4/tcp_bpf.o
  CC      net/ipv4/netfilter/nf_nat_snmp_basic_main.o
  CC      net/ipv4/netfilter/nft_reject_ipv4.o
  CC      net/ipv4/cipso_ipv4.o
  CC      net/ipv4/xfrm4_policy.o
  CC      net/ipv4/xfrm4_state.o
  CC      net/ipv4/netfilter/nft_fib_ipv4.o
  CC      net/ipv4/xfrm4_input.o
  CC      net/ipv4/netfilter/nft_dup_ipv4.o
  CC      net/ipv4/netfilter/nf_flow_table_ipv4.o
  CC      net/ipv4/netfilter/ip_tables.o
  CC      net/ipv4/xfrm4_output.o
  CC      net/ipv4/netfilter/iptable_filter.o
  CC      net/ipv4/netfilter/iptable_mangle.o
  CC      net/ipv4/netfilter/iptable_nat.o
  CC      net/ipv4/xfrm4_protocol.o
  CC      net/ipv4/netfilter/iptable_raw.o
  CC      net/ipv4/netfilter/ipt_rpfilter.o
  CC      net/ipv4/netfilter/ipt_ah.o
  CC      net/ipv4/netfilter/iptable_security.o
  CC      net/ipv4/netfilter/ipt_CLUSTERIP.o
  CC      net/ipv4/netfilter/ipt_ECN.o
  CC      net/ipv4/netfilter/ipt_REJECT.o
  CC      net/ipv4/netfilter/ipt_SYNPROXY.o
  CC      net/ipv4/netfilter/arp_tables.o
  CC      net/ipv4/netfilter/arpt_mangle.o
  CC      net/ipv4/netfilter/arptable_filter.o
  CC      net/ipv4/netfilter/nf_dup_ipv4.o
  AR      net/ipv4/netfilter/built-in.a
  AR      net/ipv4/built-in.a
  AR      net/mac80211/built-in.a
Makefile:1071: recipe for target 'net' failed
make: *** [net] Error 2