lucy@lucy-X551CA:~$ rfkill list
0: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: yes
1: asus-wlan: Wireless LAN
	Soft blocked: no
	Hard blocked: no
lucy@lucy-X551CA:~$ dmesg | tail
[   87.763665] r8169 0000:03:00.2 eth0: link up
[   87.763676] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   88.052092] audit: type=1400 audit(1426419468.654:77): apparmor="DENIED" operation="file_inherit" profile="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=2318 comm="nm-dhcp-client." lport=16166 family="inet" sock_type="dgram" protocol=17
[   88.052112] audit: type=1400 audit(1426419468.654:78): apparmor="DENIED" operation="file_inherit" profile="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=2318 comm="nm-dhcp-client." lport=63518 family="inet6" sock_type="dgram" protocol=17
[   88.138156] audit: type=1400 audit(1426419468.738:79): apparmor="DENIED" operation="file_inherit" profile="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=2319 comm="nm-dhcp-client." lport=16166 family="inet" sock_type="dgram" protocol=17
[   88.138169] audit: type=1400 audit(1426419468.738:80): apparmor="DENIED" operation="file_inherit" profile="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=2319 comm="nm-dhcp-client." lport=63518 family="inet6" sock_type="dgram" protocol=17
[ 1019.349744] audit: type=1400 audit(1426420400.435:81): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=3128 comm="apparmor_parser"
[ 1019.349760] audit: type=1400 audit(1426420400.435:82): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=3128 comm="apparmor_parser"
[ 1019.350507] audit: type=1400 audit(1426420400.439:83): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=3128 comm="apparmor_parser"
[ 1486.014829] init: tty2 main process ended, respawning