More fixes

notes.md

@@ -4,3 +4,36 @@ rear_rear_backup
 pre_upgrade
 upgradeinplace
 post_upgrade
+
+Risk Factor: high (inhibitor)
+Title: Leapp detected loaded kernel drivers which have been removed in RHEL 8. Upgrade cannot proceed.
+Summary: Support for the following RHEL 7 device drivers has been removed in RHEL 8:
+     - floppy
+     - pata_acpi
+
+if ipv6 enabled
+- distable at start of IPU/bigboot workflow (prior to rear)
+-  if restored:
+	- ipv6 enabled: restore state
+- ipv6 disable via survey:
+	- disabled post ipu
+
+> echo 1 > /proc/sys/net/ipv6/conf/default/disable_ipv6
+> echo 1 > /proc/sys/net/ipv6/conf/all/disable_ipv6
+>
+> echo 0 > /proc/sys/net/ipv6/conf/default/disable_ipv6
+> echo 0 > /proc/sys/net/ipv6/conf/all/disable_ipv6
+
+<br>
+
+## /etc/sysctl.conf
+```ini
+net.ipv6.conf.enable_ipv6 = 0
+```
+
+<br>
+
+## /etc/default/grub
+```ini
+GRUB_CMDLINE_LINUX="... ipv6.disable=1"
+```