Yes I did
sudo /etc/rc.d/netif restart iwn0
Stopping Network: iwn0.
iwn0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 2290
ether 0c:d2:92:83:93:de
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
media: IEEE 802.11 Wireless Ethernet autoselect (autoselect)
status: no carrier
Starting wpa_supplicant.
Starting Network: iwn0.
iwn0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 2290
ether 0c:d2:92:83:93:de
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
media: IEEE 802.11 Wireless Ethernet autoselect (autoselect)
status: no carrier