Comment # 15 on bug 1140319 from Felix Miata

Ordinary updates fixed it, but it wasn't the kernel responsible, and I didn't
need to try msi=0 msix=0:
# cat /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-4.12.14-lp151.28.7-default root=UUID=### net.ifnames=0
resume=LABEL=### mitigations=auto video=1440x900 3
# lsmod | grep ced
forcedeth              77824  0
# inxi -Snxx
System:    Host: rok68 Kernel: 4.12.14-lp151.28.7-default x86_64 bits: 64
compiler: gcc v: 7.4.0 Console: tty 3 dm: SDDM 
           Distro: openSUSE Leap 15.1 
Network:   Device-1: NVIDIA MCP61 Ethernet vendor: ASRock 939NF6G-VSTA Board
type: network bridge driver: forcedeth v: kernel 
           port: e080 bus ID: 00:07.0 chip ID: 10de:03ef 
           IF: eth0 state: up speed: 1000 Mbps duplex: full mac:
bc:5f:f4:99:##:## 
# ip a
...
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP
group default qlen 1000
    link/ether bc:5f:f4:99:##:## brd ff:ff:ff:ff:ff:ff
    inet 192.168.###.###/24 brd 192.168.###.### scope global noprefixroute
dynamic eth0
       valid_lft 86138sec preferred_lft 86138sec
    inet6 fe80::b557:7328:###:####/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
# dmesg | grep rced
[   13.785661] forcedeth: Reverse Engineered nForce ethernet driver. Version
0.64.
[   13.873062] forcedeth 0000:00:07.0: ifname eth0, PHY OUI 0x732 @ 3, addr
bc:5f:f4:99:##:##
[   13.881552] forcedeth 0000:00:07.0: highdma pwrctl mgmt gbit lnktim msi
desc-v3
[   27.553803] forcedeth 0000:00:07.0 eth0: MSI enabled

On first ordinary updates since July I held back the kernel until after I could
see if anything fixed it. It still works with lp151.28.36 too. :)