systemd-udevd crashed with SIGABRT in __epoll_wait_nocancel()

[Till Kamppeter]

Occurs only on QEMU-based virtual machine.

ProblemType: Crash
DistroRelease: Ubuntu 15.10
Package: udev 225-1ubuntu4
ProcVersionSignature: Ubuntu 4.2.0-7.7-generic 4.2.0
Uname: Linux 4.2.0-7-generic x86_64
ApportVersion: 2.18.1-0ubuntu1
Architecture: amd64
CrashCounter: 1
CustomUdevRuleFiles: 80-net-setup-link.rules
Date: Sat Sep 12 23:39:00 2015
ExecutablePath: /lib/systemd/systemd-udevd
InstallationDate: Installed on 2015-03-25 (171 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Beta amd64 (20150324)
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: QEMU Standard PC (i440FX + PIIX, 1996)
ProcCmdline: /lib/systemd/systemd-udevd
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-7-generic root=UUID=fc32a548-00cf-4d7f-8204-2080bfaf0ebc ro quiet splash vt.handoff=7
Signal: 6
SourcePackage: systemd
StacktraceTop:
 __epoll_wait_nocancel () at ../sysdeps/unix/syscall-template.S:81
 ?? ()
 ?? ()
 ?? ()
 __libc_start_main (main=0x56419c4c1870, argc=1, argv=0x7ffcd70edec8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffcd70edeb8) at libc-start.c:289
Title: systemd-udevd crashed with SIGABRT in __epoll_wait_nocancel()
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

dmi.bios.date: 04/01/2014
dmi.bios.vendor: SeaBIOS
dmi.bios.version: 1.7.5-20150306_163512-brownie
dmi.chassis.type: 1
dmi.chassis.vendor: QEMU
dmi.chassis.version: pc-i440fx-utopic
dmi.modalias: dmi:bvnSeaBIOS:bvr1.7.5-20150306_163512-brownie:bd04/01/2014:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-utopic:cvnQEMU:ct1:cvrpc-i440fx-utopic:
dmi.product.name: Standard PC (i440FX + PIIX, 1996)
dmi.product.version: pc-i440fx-utopic
dmi.sys.vendor: QEMU