healthd spams system logs

[Jean-Baptiste Lallement]

= Device Info =
current build number: 105
device name: mako
channel: ubuntu-touch/devel-proposed
alias: ubuntu-touch/utopic-proposed
last update: 2014-06-30 08:56:56
version version: 105
version ubuntu: 20140630
version device: 20140625

Starting somewhere between build 102 and 104, system logs (/var/log/syslog and /var/log/kern.log) are full of messages from healthd (/var/lib/lxc/android/rootfs/sbin/healthd)
There is 1 or 2 message every 10s like:
Jun 30 09:04:44 ubuntu-phablet kernel: [ 462.120769] healthd: battery l=35 v=3921 t=27.9 h=2 st=2 c=-405 chg=u
Jun 30 09:04:54 ubuntu-phablet kernel: [ 472.113016] healthd: battery l=35 v=3927 t=27.9 h=2 st=2 c=-404 chg=u
Jun 30 09:05:04 ubuntu-phablet kernel: [ 482.089455] healthd: battery l=35 v=3853 t=27.8 h=2 st=2 c=-95 chg=u
Jun 30 09:05:04 ubuntu-phablet kernel: [ 482.154555] healthd: battery l=35 v=3883 t=27.8 h=2 st=2 c=-203 chg=u
Jun 30 09:05:14 ubuntu-phablet kernel: [ 492.091438] healthd: battery l=35 v=3915 t=27.8 h=2 st=2 c=-425 chg=u
Jun 30 09:05:24 ubuntu-phablet kernel: [ 502.120860] healthd: battery l=35 v=3921 t=27.8 h=2 st=2 c=-418 chg=u
Jun 30 09:05:34 ubuntu-phablet kernel: [ 512.091164] healthd: battery l=36 v=3922 t=27.8 h=2 st=2 c=-409 chg=u
Jun 30 09:05:44 ubuntu-phablet kernel: [ 522.083381] healthd: battery l=36 v=3911 t=27.7 h=2 st=2 c=-274 chg=u
Jun 30 09:05:54 ubuntu-phablet kernel: [ 532.095345] healthd: battery l=36 v=3911 t=27.7 h=2 st=2 c=-314 chg=u
Jun 30 09:06:04 ubuntu-phablet kernel: [ 542.120830] healthd: battery l=36 v=3924 t=27.6 h=2 st=2 c=-418 chg=u
Jun 30 09:06:04 ubuntu-phablet kernel: [ 542.147840] healthd: battery l=36 v=3928 t=27.6 h=2 st=2 c=-406 chg=u