Fix man page whatis entry errors

lintian says:
W: iproute: manpage-has-bad-whatis-entry usr/share/man/man7/tc-hfsc.7.gz
W: iproute: manpage-has-bad-whatis-entry usr/share/man/man8/ip-address.8.gz
W: iproute: manpage-has-bad-whatis-entry usr/share/man/man8/ip-addrlabel.8.gz
W: iproute: manpage-has-bad-whatis-entry usr/share/man/man8/ip-link.8.gz
W: iproute: manpage-has-bad-whatis-entry usr/share/man/man8/ip-maddress.8.gz
W: iproute: manpage-has-bad-whatis-entry usr/share/man/man8/ip-monitor.8.gz
W: iproute: manpage-has-bad-whatis-entry usr/share/man/man8/ip-mroute.8.gz
W: iproute: manpage-has-bad-whatis-entry usr/share/man/man8/ip-neighbour.8.gz
W: iproute: manpage-has-bad-whatis-entry usr/share/man/man8/ip-netns.8.gz
W: iproute: manpage-has-bad-whatis-entry usr/share/man/man8/ip-ntable.8.gz
W: iproute: manpage-has-bad-whatis-entry usr/share/man/man8/ip-route.8.gz
W: iproute: manpage-has-bad-whatis-entry usr/share/man/man8/ip-rule.8.gz
W: iproute: manpage-has-bad-whatis-entry usr/share/man/man8/ip-tunnel.8.gz
W: iproute: manpage-has-bad-whatis-entry usr/share/man/man8/ip-xfrm.8.gz

man/man7/tc-hfsc.7

-.TH HFSC 7 "31 October 2011" iproute2 Linux
-.ce 1
-\fBHIERARCHICAL FAIR SERVICE CURVE\fR
+.TH "TC\-HFSC" 7 "31 October 2011" iproute2 Linux
+.SH "NAME"
+tc-hfcs \- Hierarchical Fair Service Curve
 .
 .SH "HISTORY & INTRODUCTION"
 .

man/man8/ip-address.8

-.TH IP\-ADDRESS 8 "20 Dec 2011" "iproute2" "Linux"
+.TH "IP\-ADDRESS" 8 "20 Dec 2011" "iproute2" "Linux"
 .SH "NAME"
-ip address \- protocol address management
+ip-address \- protocol address management
 .SH "SYNOPSIS"
 .sp
 .ad l

man/man8/ip-addrlabel.8

 .TH IP\-ADDRLABEL 8 "20 Dec 2011" "iproute2" "Linux"
 .SH "NAME"
-ip addrlabel \- protocol address label management
+ip-addrlabel \- protocol address label management
 .SH "SYNOPSIS"
 .sp
 .ad l

man/man8/ip-link.8

 .TH IP\-LINK 8 "20 Dec 2011" "iproute2" "Linux"
 .SH "NAME"
-ip link \- network device configuration
+ip-link \- network device configuration
 .SH "SYNOPSIS"
 .sp
 .ad l

man/man8/ip-maddress.8

 .TH IP\-MADDRESS 8 "20 Dec 2011" "iproute2" "Linux"
 .SH "NAME"
-ip maddress \- multicast addresses management
+ip-maddress \- multicast addresses management
 .SH "SYNOPSIS"
 .sp
 .ad l

man/man8/ip-monitor.8

 .TH IP\-MONITOR 8 "20 Dec 2011" "iproute2" "Linux"
 .SH "NAME"
-ip monitor and rtmon \- state monitoring
+ip-monitor and rtmon \- state monitoring
 .SH "SYNOPSIS"
 .sp
 .ad l

man/man8/ip-mroute.8

 .TH IP\-MROUTE 8 "20 Dec 2011" "iproute2" "Linux"
 .SH "NAME"
-ip mroute \- multicast routing cache management
+ip-mroute \- multicast routing cache management
 .SH "SYNOPSIS"
 .sp
 .ad l

man/man8/ip-neighbour.8

 .TH IP\-NEIGHBOUR 8 "20 Dec 2011" "iproute2" "Linux"
 .SH "NAME"
-ip neighbour \- neighbour/arp tables management.
+ip-neighbour \- neighbour/arp tables management.
 .SH "SYNOPSIS"
 .sp
 .ad l

man/man8/ip-netns.8

 .TH IP\-NETNS 8 "20 Dec 2011" "iproute2" "Linux"
 .SH NAME
-ip netns \- process network namespace management
+ip-netns \- process network namespace management
 .SH SYNOPSIS
 .sp
 .ad l

man/man8/ip-ntable.8

 .TH IP\-NTABLE 8 "20 Dec 2011" "iproute2" "Linux"
 .SH "NAME"
-ip ntable - neighbour table configuration
+ip-ntable - neighbour table configuration
 .SH "SYNOPSIS"
 .sp
 .ad l

man/man8/ip-route.8

 .TH IP\-ROUTE 8 "20 Dec 2011" "iproute2" "Linux"
 .SH "NAME"
-ip route \- routing table management
+ip-route \- routing table management
 .SH "SYNOPSIS"
 .sp
 .ad l

man/man8/ip-rule.8

 .TH IP\-RULE 8 "20 Dec 2011" "iproute2" "Linux"
 .SH "NAME"
-ip rule \- routing policy database management
+ip-rule \- routing policy database management
 .SH "SYNOPSIS"
 .sp
 .ad l

man/man8/ip-tunnel.8

 .TH IP\-TUNNEL 8 "20 Dec 2011" "iproute2" "Linux"
 .SH "NAME"
-ip tunnel - tunnel configuration
+ip-tunnel - tunnel configuration
 .SH "SYNOPSIS"
 .sp
 .ad l

man/man8/ip-xfrm.8

 .TH IP\-XFRM 8 "20 Dec 2011" "iproute2" "Linux"
 .SH "NAME"
-ip xfrm \- transform configuration
+ip-xfrm \- transform configuration
 .SH "SYNOPSIS"
 .sp
 .ad l