** Information type changed from Private Security to Public -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1891020
Title: No IPv4 iptable kernel module can be loaded Status in linux package in Ubuntu: Confirmed Bug description: Ubuntu groovy linux-modules-5.8.0-12-generic 5.8.0-12.13 # uname -r 5.8.0-12-generic After reboot, 1) no IPv4 iptable kernel module are loaded: # lsmod|grep iptable # 2) all IPv4 iptable kernel modules are present: # find /lib/modules/5.8.0-12-generic/kernel/net/ipv4/netfilter -name "iptable_*" /lib/modules/5.8.0-12-generic/kernel/net/ipv4/netfilter/iptable_filter.ko /lib/modules/5.8.0-12-generic/kernel/net/ipv4/netfilter/iptable_nat.ko /lib/modules/5.8.0-12-generic/kernel/net/ipv4/netfilter/iptable_mangle.ko /lib/modules/5.8.0-12-generic/kernel/net/ipv4/netfilter/iptable_raw.ko /lib/modules/5.8.0-12-generic/kernel/net/ipv4/netfilter/iptable_security.ko 3) No IPv4 iptable kernel modules can be loaded: # for module in iptable_filter iptable_nat iptable_mangle; do modprobe /lib/modules/5.8.0-12-generic/kernel/net/ipv4/netfilter/${module}.ko; done modprobe: FATAL: Module /lib/modules/5.8.0-12-generic/kernel/net/ipv4/netfilter/iptable_filter.ko not found in directory /lib/modules/5.8.0-12-generic modprobe: FATAL: Module /lib/modules/5.8.0-12-generic/kernel/net/ipv4/netfilter/iptable_nat.ko not found in directory /lib/modules/5.8.0-12-generic modprobe: FATAL: Module /lib/modules/5.8.0-12-generic/kernel/net/ipv4/netfilter/iptable_mangle.ko not found in directory /lib/modules/5.8.0-12-generic 4) Same issue after re-creating the module dependency: # depmod # for module in iptable_filter iptable_nat iptable_mangle; do modprobe /lib/modules/5.8.0-12-generic/kernel/net/ipv4/netfilter/${module}.ko; done modprobe: FATAL: Module /lib/modules/5.8.0-12-generic/kernel/net/ipv4/netfilter/iptable_filter.ko not found in directory /lib/modules/5.8.0-12-generic modprobe: FATAL: Module /lib/modules/5.8.0-12-generic/kernel/net/ipv4/netfilter/iptable_nat.ko not found in directory /lib/modules/5.8.0-12-generic modprobe: FATAL: Module /lib/modules/5.8.0-12-generic/kernel/net/ipv4/netfilter/iptable_mangle.ko not found in directory /lib/modules/5.8.0-12-generic No such issue with linux-modules-5.4.0-42-generic. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1891020/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp