[iproute2] man: bridge: update bridge link show

[Nicolas Escande <nico.escande@gmail.com>]

This adds the missing [ master DEVICE ] in the synopsis part and the detailed
usage/effects of [ dev DEV ] & [ master DEVICE ] int the detailed syntax part

Signed-off-by: Nicolas Escande <nico.escande@gmail.com>
---
 man/man8/bridge.8 | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/man/man8/bridge.8 b/man/man8/bridge.8
index e0552819..4e7371fc 100644
--- a/man/man8/bridge.8
+++ b/man/man8/bridge.8
@@ -66,7 +66,10 @@ bridge \- show / manipulate bridge addresses and devices
 .ti -8
 .BR "bridge link" " [ " show " ] [ "
 .B dev
-.IR DEV " ]"
+.IR DEV " ] ["
+.B master
+.IR DEVICE " ]"
+
 
 .ti -8
 .BR "bridge fdb" " { " add " | " append " | " del " | " replace " } "
@@ -661,9 +664,15 @@ display current time when using monitor option.
 
 .SS bridge link show - list ports configuration for all bridges.
 
-This command displays port configuration and flags for all bridges.
+This command displays ports configuration and flags for all bridges by default.
 
-To display port configuration and flags for a specific bridge, use the
+.TP
+.BI dev " DEV"
+only display the specific bridge port named DEV.
+
+.TP
+.BI master " DEVICE"
+only display ports of the bridge named DEVICE. This is quite similar to
 "ip link show master <bridge_device>" command.
 
 .SH bridge fdb - forwarding database management
-- 
2.41.0