lxc-checkconfig: add some more config options

Here's some more config options that we do actually require to be able to
boot containers.

Signed-off-by: Tycho Andersen <tycho.andersen@canonical.com>
Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com>

src/lxc/lxc-checkconfig.in

@@ -111,6 +111,25 @@ echo "--- Misc ---"
 echo -n "Veth pair device: " && is_enabled CONFIG_VETH
 echo -n "Macvlan: " && is_enabled CONFIG_MACVLAN
 echo -n "Vlan: " && is_enabled CONFIG_VLAN_8021Q
+echo -n "Bridges: " && is_enabled CONFIG_BRIDGE
+echo -n "Advanced netfilter: " && is_enabled CONFIG_NETFILTER_ADVANCED
+echo -n "CONFIG_NF_NAT_IPV4: " && is_enabled CONFIG_NF_NAT_IPV4
+echo -n "CONFIG_NF_NAT_IPV6: " && is_enabled CONFIG_NF_NAT_IPV6
+echo -n "CONFIG_IP_NF_TARGET_MASQUERADE: " && is_enabled CONFIG_IP_NF_TARGET_MASQUERADE
+echo -n "CONFIG_IP6_NF_TARGET_MASQUERADE: " && is_enabled CONFIG_IP6_NF_TARGET_MASQUERADE
+echo -n "CONFIG_NETFILTER_XT_TARGET_CHECKSUM: " && is_enabled CONFIG_NETFILTER_XT_TARGET_CHECKSUM
+
+echo
+echo "--- Checkpoint/Restore ---"
+echo -n "checkpoint restore: " && is_enabled CONFIG_CHECKPOINT_RESTORE
+echo -n "CONFIG_FHANDLE: " && is_enabled CONFIG_FHANDLE
+echo -n "CONFIG_EVENTFD: " && is_enabled CONFIG_EVENTFD
+echo -n "CONFIG_EPOLL: " && is_enabled CONFIG_EPOLL
+echo -n "CONFIG_UNIX_DIAG: " && is_enabled CONFIG_UNIX_DIAG
+echo -n "CONFIG_INET_DIAG: " && is_enabled CONFIG_INET_DIAG
+echo -n "CONFIG_PACKET_DIAG: " && is_enabled CONFIG_PACKET_DIAG
+echo -n "CONFIG_NETLINK_DIAG: " && is_enabled CONFIG_NETLINK_DIAG
+
 echo -n "File capabilities: " && \
     ( [ "${KVER_MAJOR}" = 2 ] && [ ${KVER_MINOR} -lt 33 ] && \
        is_enabled CONFIG_SECURITY_FILE_CAPABILITIES ) || \