It seems to be still an apparmor problem: [1863665.820588] audit: type=1400 audit(1588413129.073:171): apparmor="DENIED" operation="open" profile="/usr/sbin/dhcpd" name="/proc/sys/net/ipv4/ip_local_port_range" pid=38217 comm="dhcpd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0 [1863665.820937] audit: type=1400 audit(1588413129.073:172): apparmor="DENIED" operation="open" profile="/usr/sbin/dhcpd" name="/proc/sys/net/ipv4/ip_local_port_range" pid=38217 comm="dhcpd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0 [1863667.962021] audit: type=1400 audit(1588413131.217:173): apparmor="DENIED" operation="open" profile="/usr/sbin/dhcpd" name="/proc/sys/net/ipv4/ip_local_port_range" pid=38245 comm="dhcpd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0 [1863667.962161] audit: type=1400 audit(1588413131.217:174): apparmor="DENIED" operation="open" profile="/usr/sbin/dhcpd" name="/proc/sys/net/ipv4/ip_local_port_range" pid=38245 comm="dhcpd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0 [1863733.906438] audit: type=1400 audit(1588413197.163:175): apparmor="DENIED" operation="open" profile="/usr/sbin/dhcpd" name="/proc/sys/net/ipv4/ip_local_port_range" pid=38952 comm="dhcpd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0 [1863733.906772] audit: type=1400 audit(1588413197.163:176): apparmor="DENIED" operation="open" profile="/usr/sbin/dhcpd" name="/proc/sys/net/ipv4/ip_local_port_range" pid=38952 comm="dhcpd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0 [1863736.056880] audit: type=1400 audit(1588413199.315:177): apparmor="DENIED" operation="open" profile="/usr/sbin/dhcpd" name="/proc/sys/net/ipv4/ip_local_port_range" pid=38972 comm="dhcpd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0 [1863736.057187] audit: type=1400 audit(1588413199.315:178): apparmor="DENIED" operation="open" profile="/usr/sbin/dhcpd" name="/proc/sys/net/ipv4/ip_local_port_range" pid=38972 comm="dhcpd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1872106 Title: isc-dhcp-server crashing constantly [Ubuntu 20.04] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apparmor/+bug/1872106/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
