I upgrade from 16.04 to 16.10(Kubuntu). On first reboot it worked, but on second reboot I got the below.
1. http://imgur.com/gallery/AqKOQ

2. I haven't the fstab at all. I am using kubuntu with windows dual boot.

3. journalctl -xb output:

https://paste.ubuntu.com/23338929/
 
4. 
# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
# / was on /dev/sda6 during installation
UUID=85cd7db1-5379-4a11-84d8-0b7ed7989962 /               ext4    errors=remount-ro 0       1
# /boot/efi was on /dev/sda1 during installation
UUID=CA5D-F91D  /boot/efi       vfat    umask=0077      0       1
# swap was on /dev/sda7 during installation
UUID=bf42c497-2871-4fcb-9c6f-ea792ccf35ab none            swap    sw              0       0


blkid
/dev/sda1: LABEL="SYSTEM" UUID="CA5D-F91D" TYPE="vfat" PARTLABEL="EFI system partition" PARTUUID="6ea68161-5848-4392-bf6c-a7bba7e456db"
/dev/sda2: PARTLABEL="Microsoft reserved partition" PARTUUID="fb51aa3a-8ebe-4af2-8ed3-7bc52f2fef16"
/dev/sda3: LABEL="Windows" UUID="1AA687D9A687B3B3" TYPE="ntfs" PARTLABEL="Basic data partition" PARTUUID="c49b2b23-5e6c-416b-989e-32ea0a875f04"
/dev/sda4: LABEL="WINRE" UUID="6ACE90CFCE9094C3" TYPE="ntfs" PARTLABEL="Basic data partition" PARTUUID="68dc93ec-5632-47b6-8ba3-3e7b761cc4d5"
/dev/sda5: LABEL="RECOVERY" UUID="B0CEB0EECEB0ADCA" TYPE="ntfs" PARTLABEL="Basic data partition" PARTUUID="430660d2-cea4-4138-8073-d31199d0e0d5"
/dev/sda6: UUID="85cd7db1-5379-4a11-84d8-0b7ed7989962" TYPE="ext4" PARTUUID="76ad6ef6-91a9-4097-9811-3c1edf9f2ce6"
/dev/sda7: UUID="bf42c497-2871-4fcb-9c6f-ea792ccf35ab" TYPE="swap" PARTUUID="c883cbff-ee65-4376-93b0-bba32d3725bd"
/dev/sdb1: UUID="AB5B-AF79" TYPE="vfat"

 5. Output of mount after running mount -a
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
udev on /dev type devtmpfs (rw,nosuid,relatime,size=8112056k,nr_inodes=2028014,mode=755)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /run type tmpfs (rw,nosuid,noexec,relatime,size=1626696k,mode=755)
/dev/sda6 on / type ext4 (rw,relatime,errors=remount-ro,data=ordered)
securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=5120k)
tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,mode=755)
cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd)
pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime)
efivarfs on /sys/firmware/efi/efivars type efivarfs (rw,nosuid,nodev,noexec,relatime)
cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpu,cpuacct)
cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup (rw,nosuid,nodev,noexec,relatime,net_cls,net_prio)
cgroup on /sys/fs/cgroup/perf_event type cgroup (rw,nosuid,nodev,noexec,relatime,perf_event)
cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb)
cgroup on /sys/fs/cgroup/memory type cgroup (rw,nosuid,nodev,noexec,relatime,memory)
cgroup on /sys/fs/cgroup/freezer type cgroup (rw,nosuid,nodev,noexec,relatime,freezer)
cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices)
cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset)
cgroup on /sys/fs/cgroup/pids type cgroup (rw,nosuid,nodev,noexec,relatime,pids)
cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=34,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=14020)
mqueue on /dev/mqueue type mqueue (rw,relatime)
debugfs on /sys/kernel/debug type debugfs (rw,relatime)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime)
fusectl on /sys/fs/fuse/connections type fusectl (rw,relatime)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,relatime)
/dev/sdb1 on /media/usbstick type vfat (rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro)