Lots going on here. First looking at the syslog file from Matt. I notice
a lot of:

Apr  3 20:57:45 wolfe-01 kernel: [ 4062.074422] jujud[1929]: bad frame
in setup_rt_frame: 0000000000000000 nip 0000000000000000 lr
0000000000000000

Looks like we smashed our stack. This seems to be a separate issue
because we continue on even after these failures.

At some point dpkg-query starts SEGVing:

Apr  3 20:57:54 wolfe-01 kernel: [ 4071.263070] dpkg-query[20115]: unhandled 
signal 11 at 0000000000010028 nip 0000000010003380 lr 0000000010002968 code 
30001
Apr  3 20:57:57 wolfe-01 kernel: [ 4074.437029] dpkg-query[20208]: unhandled 
signal 11 at 0000000000010028 nip 0000000010003380 lr 0000000010002968 code 
30001
Apr  3 20:58:00 wolfe-01 kernel: [ 4077.612284] dpkg-query[20291]: unhandled 
signal 11 at 0000000000010028 nip 0000000010003380 lr 0000000010002968 code 
30001

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https://bugs.launchpad.net/bugs/1301496

Title:
  kernel crash: Unable to handle kernel paging request for data

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