[   15.520141] r8169 0000:04:00.0 eth0: link down
[   15.520186] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[   15.520489] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[   15.531255] init: samba-ad-dc main process (1077) terminated with status 1
[   16.362690] init: plymouth-upstart-bridge main process ended, respawning
[   16.371107] init: plymouth-upstart-bridge main process (1131) killed by TERM signal
[   30.897008] compiz[1818]: segfault at 0 ip           (null) sp 00007ffc16ac5e48 error 14 in compiz[400000+3000]
[   44.105229] type=1400 audit(1456670367.058:62): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=2547 comm="apparmor_parser"
[   44.105236] type=1400 audit(1456670367.058:63): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=2547 comm="apparmor_parser"
[   44.105539] type=1400 audit(1456670367.058:64): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=2547 comm="apparmor_parser"
[   48.641558] SysRq : This sysrq operation is disabled.
[   53.338936] SysRq : This sysrq operation is disabled.
[   79.747623] systemd-hostnamed[2799]: Warning: nss-myhostname is not installed. Changing the local hostname might make it unresolveable. Please install nss-myhostname!
[  462.263013] systemd-hostnamed[2976]: Warning: nss-myhostname is not installed. Changing the local hostname might make it unresolveable. Please install nss-myhostname!
[ 1324.517960] r8169 0000:04:00.0 eth0: link up
[ 1324.517975] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 1363.787829] type=1400 audit(1456671686.346:65): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=3346 comm="apparmor_parser"
[ 1363.787840] type=1400 audit(1456671686.346:66): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=3346 comm="apparmor_parser"
[ 1363.788300] type=1400 audit(1456671686.346:67): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=3346 comm="apparmor_parser"
[ 2599.930445] UDF-fs: INFO Mounting volume 'VOLUME IDENTIFIER', timestamp 2016/02/26 19:06 (1000)
[ 2599.939943] sr 1:0:0:0: [sr0]  
[ 2599.939948] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 2599.939951] sr 1:0:0:0: [sr0]  
[ 2599.939953] Sense Key : Illegal Request [current] 
[ 2599.939957] sr 1:0:0:0: [sr0]  
[ 2599.939960] Add. Sense: Invalid field in cdb
[ 2599.939962] sr 1:0:0:0: [sr0] CDB: 
[ 2599.939964] Write(10): 2a 00 00 00 00 60 00 00 01 00
[ 2599.939973] end_request: critical target error, dev sr0, sector 384
[ 2599.939976] Buffer I/O error on device sr0, logical block 96
[ 2599.939978] lost page write due to I/O error on sr0
[ 2601.034552] systemd-hostnamed[3818]: Warning: nss-myhostname is not installed. Changing the local hostname might make it unresolveable. Please install nss-myhostname!
[ 2664.999618] sr 1:0:0:0: [sr0]  
[ 2664.999622] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 2664.999624] sr 1:0:0:0: [sr0]  
[ 2664.999625] Sense Key : Illegal Request [current] 
[ 2664.999627] sr 1:0:0:0: [sr0]  
[ 2664.999628] Add. Sense: Invalid field in cdb
[ 2664.999630] sr 1:0:0:0: [sr0] CDB: 
[ 2664.999631] Write(10): 2a 00 00 00 0a 20 00 00 01 00
[ 2664.999635] end_request: critical target error, dev sr0, sector 10368
[ 2664.999637] Buffer I/O error on device sr0, logical block 2592
[ 2664.999638] lost page write due to I/O error on sr0
[ 2665.009270] sr 1:0:0:0: [sr0]  
[ 2665.009275] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 2665.009278] sr 1:0:0:0: [sr0]  
[ 2665.009279] Sense Key : Illegal Request [current] 
[ 2665.009283] sr 1:0:0:0: [sr0]  
[ 2665.009285] Add. Sense: Invalid address for write
[ 2665.009288] sr 1:0:0:0: [sr0] CDB: 
[ 2665.009290] Write(10): 2a 00 00 00 0a 25 00 00 01 00
[ 2665.009298] end_request: I/O error, dev sr0, sector 10388
[ 2665.009301] Buffer I/O error on device sr0, logical block 2597
[ 2665.009303] lost page write due to I/O error on sr0
[ 2665.017293] sr 1:0:0:0: [sr0]  
[ 2665.017298] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 2665.017301] sr 1:0:0:0: [sr0]  
[ 2665.017302] Sense Key : Illegal Request [current] 
[ 2665.017306] sr 1:0:0:0: [sr0]  
[ 2665.017309] Add. Sense: Invalid address for write
[ 2665.017311] sr 1:0:0:0: [sr0] CDB: 
[ 2665.017313] Write(10): 2a 00 00 00 0a 5a 00 00 01 00
[ 2665.017322] end_request: I/O error, dev sr0, sector 10600
[ 2665.017325] Buffer I/O error on device sr0, logical block 2650
[ 2665.017326] lost page write due to I/O error on sr0
[ 3788.634087] sr 1:0:0:0: [sr0]  
[ 3788.634093] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 3788.634095] sr 1:0:0:0: [sr0]  
[ 3788.634097] Sense Key : Illegal Request [current] 
[ 3788.634099] sr 1:0:0:0: [sr0]  
[ 3788.634101] Add. Sense: Invalid field in cdb
[ 3788.634103] sr 1:0:0:0: [sr0] CDB: 
[ 3788.634104] Write(10): 2a 00 00 00 00 60 00 00 01 00
[ 3788.634111] end_request: critical target error, dev sr0, sector 384
[ 3788.634114] Buffer I/O error on device sr0, logical block 96
[ 3788.634115] lost page write due to I/O error on sr0
[ 4825.721582] systemd-hostnamed[4263]: Warning: nss-myhostname is not installed. Changing the local hostname might make it unresolveable. Please install nss-myhostname!