diff --git a/share/man/man4/bridge.4 b/share/man/man4/bridge.4
--- a/share/man/man4/bridge.4
+++ b/share/man/man4/bridge.4
@@ -50,6 +50,10 @@
      learns which MAC addresses are associated with which interfaces and will
      forward the traffic selectively.
 
+     By default the bridge logs MAC address port flapping to syslog(3).  This
+     behavior can be disabled by setting the sysctl(8) variable
+     _n_e_t_._l_i_n_k_._b_r_i_d_g_e_._l_o_g___m_a_c___f_l_a_p to 0.
+
      All the bridged member interfaces need to be up in order to pass network
      traffic.  These can be enabled using ifconfig(8) or
      _i_f_c_o_n_f_i_g__<_i_n_t_e_r_f_a_c_e>="up" in rc.conf(5).
@@ -296,4 +300,4 @@
      (e.g., 802.11) network devices, which can be configured with the same MTU
      size as the bridge device.
 
-BSD                            September 7, 2022                           BSD
+BSD                              April 8, 2023                             BSD