OCFS2 hangs system on reboot

Has anyone experienced an issue with the system hanging on reboot with OCFS2 mounts still mounted. Config is below, here's what I'm doing. OCFS2 is installed and running with multiple mounts on all 3 nodes. Everything is working fine. I issue a reboot "shutdown -ry now" and they system begins shutting down services. It reaches the point where it begins to unmount filesystems and suddenly OCFS2 starts freaking out with all kinds of errors that it can't reach the other nodes in the cluster and it's fencing itself and panicing, etc. There are start/stop scripts installed with the OCFS2 rpm, and I've tried moving the priority of the ocfs2 kill script up, but it still doesn't work.
RHEL 4 Update 3 64bit
OCFS2 1.2.1

xxxspuddy wrote:Are you using any kind of CPU frequency scaling, e.g using cpufreq?  I had a similar issue, if the CPU frequency wasn't set to max I would have to powercycle the box to bring it back to life, but that was a few kernels ago...2.6.25 I think.
Thank you very much for this- My box is doing exactly the same thing now as a result of cpufreq. The below fix took care of the problem. Dirty but it works...
In the future, for anyone else who may have this issue, you can edit /etc/rc.local.shutdown to include cpufreq commands. For example, mine looks like this:
/etc/rc.local.shutdown
#!/bin/bash
# /etc/rc.local.shutdown: Local shutdown script.
cpufreq-set -c 0 -g performance && cpufreq-set -c 1 -g performance
Of course if you only have one core, you would omit the && and anything beyond.
When the computer comes up on the boot process, it checks /etc/conf.d/cpufreq and sets the policy to whatever governor youve selected.
Last edited by GSF1200S (2008-12-25 15:33:57)

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    fs.xfs.stats_clear = 0
    fs.xfs.xfsbufd_centisecs = 100
    fs.xfs.xfssyncd_centisecs = 3000
    kernel.acct = 4 2 30
    kernel.acpi_video_flags = 0
    kernel.auto_msgmni = 1
    kernel.blk_iopoll = 1
    kernel.bootloader_type = 114
    kernel.bootloader_version = 2
    kernel.cad_pid = 1
    kernel.cap_last_cap = 36
    kernel.core_pattern = core
    kernel.core_pipe_limit = 0
    kernel.core_uses_pid = 0
    kernel.ctrl-alt-del = 0
    kernel.dmesg_restrict = 0
    kernel.domainname = (none)
    kernel.ftrace_dump_on_oops = 0
    kernel.ftrace_enabled = 1
    kernel.hostname = archost
    kernel.hotplug =
    kernel.hung_task_check_count = 32768
    kernel.hung_task_panic = 0
    kernel.hung_task_timeout_secs = 120
    kernel.hung_task_warnings = 10
    kernel.io_delay_type = 0
    kernel.keys.gc_delay = 300
    kernel.keys.maxbytes = 20000
    kernel.keys.maxkeys = 200
    kernel.keys.root_maxbytes = 20000
    kernel.keys.root_maxkeys = 200
    kernel.kptr_restrict = 0
    kernel.kstack_depth_to_print = 24
    kernel.max_lock_depth = 1024
    kernel.modprobe = /sbin/modprobe
    kernel.modules_disabled = 0
    kernel.msgmax = 8192
    kernel.msgmnb = 16384
    kernel.msgmni = 1730
    kernel.ngroups_max = 65536
    kernel.nmi_watchdog = 1
    kernel.osrelease = 3.5.4-1-ARCH
    kernel.ostype = Linux
    kernel.overflowgid = 65534
    kernel.overflowuid = 65534
    kernel.panic = 0
    kernel.panic_on_io_nmi = 0
    kernel.panic_on_oops = 0
    kernel.panic_on_unrecovered_nmi = 0
    kernel.perf_event_max_sample_rate = 100000
    kernel.perf_event_mlock_kb = 516
    kernel.perf_event_paranoid = 1
    kernel.pid_max = 32768
    kernel.poweroff_cmd = /sbin/poweroff
    kernel.print-fatal-signals = 0
    kernel.printk = 4 4 1 4
    kernel.printk_delay = 0
    kernel.printk_ratelimit = 5
    kernel.printk_ratelimit_burst = 10
    kernel.pty.max = 4096
    kernel.pty.nr = 5
    kernel.pty.reserve = 1024
    kernel.random.boot_id = a99a97d1-21e0-45f2-94b0-b1e4f13ba97d
    kernel.random.entropy_avail = 3358
    kernel.random.poolsize = 4096
    kernel.random.read_wakeup_threshold = 64
    kernel.random.uuid = 59cec1bd-cf35-4c15-be6e-b1b76da09f31
    kernel.random.write_wakeup_threshold = 128
    kernel.randomize_va_space = 2
    kernel.real-root-dev = 0
    kernel.sched_autogroup_enabled = 1
    kernel.sched_cfs_bandwidth_slice_us = 5000
    kernel.sched_child_runs_first = 0
    kernel.sched_latency_ns = 6000000
    kernel.sched_migration_cost = 500000
    kernel.sched_min_granularity_ns = 750000
    kernel.sched_nr_migrate = 32
    kernel.sched_rt_period_us = 1000000
    kernel.sched_rt_runtime_us = 950000
    kernel.sched_shares_window = 10000000
    kernel.sched_time_avg = 1000
    kernel.sched_tunable_scaling = 1
    kernel.sched_wakeup_granularity_ns = 1000000
    kernel.sem = 250 32000 32 128
    kernel.shm_rmid_forced = 0
    kernel.shmall = 2097152
    kernel.shmmax = 33554432
    kernel.shmmni = 4096
    kernel.softlockup_panic = 0
    kernel.stack_tracer_enabled = 0
    kernel.sysrq = 0
    kernel.tainted = 0
    kernel.threads-max = 24025
    kernel.timer_migration = 1
    kernel.unknown_nmi_panic = 0
    kernel.usermodehelper.bset = 4294967295 4294967295
    kernel.usermodehelper.inheritable = 4294967295 4294967295
    kernel.version = #1 SMP PREEMPT Sat Sep 15 13:04:04 UTC 2012
    kernel.watchdog = 1
    kernel.watchdog_thresh = 10
    net.core.dev_weight = 64
    net.core.message_burst = 10
    net.core.message_cost = 5
    net.core.netdev_budget = 300
    net.core.netdev_max_backlog = 1000
    net.core.netdev_tstamp_prequeue = 1
    net.core.optmem_max = 10240
    net.core.rmem_default = 163840
    net.core.rmem_max = 131071
    net.core.rps_sock_flow_entries = 0
    net.core.somaxconn = 128
    net.core.warnings = 1
    net.core.wmem_default = 163840
    net.core.wmem_max = 131071
    net.core.xfrm_acq_expires = 30
    net.core.xfrm_aevent_etime = 10
    net.core.xfrm_aevent_rseqth = 2
    net.core.xfrm_larval_drop = 1
    net.ipv4.cipso_cache_bucket_size = 10
    net.ipv4.cipso_cache_enable = 1
    net.ipv4.cipso_rbm_optfmt = 0
    net.ipv4.cipso_rbm_strictvalid = 1
    net.ipv4.conf.all.accept_local = 0
    net.ipv4.conf.all.accept_redirects = 1
    net.ipv4.conf.all.accept_source_route = 0
    net.ipv4.conf.all.arp_accept = 0
    net.ipv4.conf.all.arp_announce = 0
    net.ipv4.conf.all.arp_filter = 0
    net.ipv4.conf.all.arp_ignore = 0
    net.ipv4.conf.all.arp_notify = 0
    net.ipv4.conf.all.bootp_relay = 0
    net.ipv4.conf.all.disable_policy = 0
    net.ipv4.conf.all.disable_xfrm = 0
    net.ipv4.conf.all.force_igmp_version = 0
    net.ipv4.conf.all.forwarding = 0
    net.ipv4.conf.all.log_martians = 0
    net.ipv4.conf.all.mc_forwarding = 0
    net.ipv4.conf.all.medium_id = 0
    net.ipv4.conf.all.promote_secondaries = 0
    net.ipv4.conf.all.proxy_arp = 0
    net.ipv4.conf.all.proxy_arp_pvlan = 0
    net.ipv4.conf.all.rp_filter = 0
    net.ipv4.conf.all.secure_redirects = 1
    net.ipv4.conf.all.send_redirects = 1
    net.ipv4.conf.all.shared_media = 1
    net.ipv4.conf.all.src_valid_mark = 0
    net.ipv4.conf.all.tag = 0
    net.ipv4.conf.default.accept_local = 0
    net.ipv4.conf.default.accept_redirects = 1
    net.ipv4.conf.default.accept_source_route = 1
    net.ipv4.conf.default.arp_accept = 0
    net.ipv4.conf.default.arp_announce = 0
    net.ipv4.conf.default.arp_filter = 0
    net.ipv4.conf.default.arp_ignore = 0
    net.ipv4.conf.default.arp_notify = 0
    net.ipv4.conf.default.bootp_relay = 0
    net.ipv4.conf.default.disable_policy = 0
    net.ipv4.conf.default.disable_xfrm = 0
    net.ipv4.conf.default.force_igmp_version = 0
    net.ipv4.conf.default.forwarding = 0
    net.ipv4.conf.default.log_martians = 0
    net.ipv4.conf.default.mc_forwarding = 0
    net.ipv4.conf.default.medium_id = 0
    net.ipv4.conf.default.promote_secondaries = 0
    net.ipv4.conf.default.proxy_arp = 0
    net.ipv4.conf.default.proxy_arp_pvlan = 0
    net.ipv4.conf.default.rp_filter = 0
    net.ipv4.conf.default.secure_redirects = 1
    net.ipv4.conf.default.send_redirects = 1
    net.ipv4.conf.default.shared_media = 1
    net.ipv4.conf.default.src_valid_mark = 0
    net.ipv4.conf.default.tag = 0
    net.ipv4.conf.eth0.accept_local = 0
    net.ipv4.conf.eth0.accept_redirects = 1
    net.ipv4.conf.eth0.accept_source_route = 1
    net.ipv4.conf.eth0.arp_accept = 0
    net.ipv4.conf.eth0.arp_announce = 0
    net.ipv4.conf.eth0.arp_filter = 0
    net.ipv4.conf.eth0.arp_ignore = 0
    net.ipv4.conf.eth0.arp_notify = 0
    net.ipv4.conf.eth0.bootp_relay = 0
    net.ipv4.conf.eth0.disable_policy = 0
    net.ipv4.conf.eth0.disable_xfrm = 0
    net.ipv4.conf.eth0.force_igmp_version = 0
    net.ipv4.conf.eth0.forwarding = 0
    net.ipv4.conf.eth0.log_martians = 0
    net.ipv4.conf.eth0.mc_forwarding = 0
    net.ipv4.conf.eth0.medium_id = 0
    net.ipv4.conf.eth0.promote_secondaries = 0
    net.ipv4.conf.eth0.proxy_arp = 0
    net.ipv4.conf.eth0.proxy_arp_pvlan = 0
    net.ipv4.conf.eth0.rp_filter = 0
    net.ipv4.conf.eth0.secure_redirects = 1
    net.ipv4.conf.eth0.send_redirects = 1
    net.ipv4.conf.eth0.shared_media = 1
    net.ipv4.conf.eth0.src_valid_mark = 0
    net.ipv4.conf.eth0.tag = 0
    net.ipv4.conf.lo.accept_local = 0
    net.ipv4.conf.lo.accept_redirects = 1
    net.ipv4.conf.lo.accept_source_route = 1
    net.ipv4.conf.lo.arp_accept = 0
    net.ipv4.conf.lo.arp_announce = 0
    net.ipv4.conf.lo.arp_filter = 0
    net.ipv4.conf.lo.arp_ignore = 0
    net.ipv4.conf.lo.arp_notify = 0
    net.ipv4.conf.lo.bootp_relay = 0
    net.ipv4.conf.lo.disable_policy = 1
    net.ipv4.conf.lo.disable_xfrm = 1
    net.ipv4.conf.lo.force_igmp_version = 0
    net.ipv4.conf.lo.forwarding = 0
    net.ipv4.conf.lo.log_martians = 0
    net.ipv4.conf.lo.mc_forwarding = 0
    net.ipv4.conf.lo.medium_id = 0
    net.ipv4.conf.lo.promote_secondaries = 0
    net.ipv4.conf.lo.proxy_arp = 0
    net.ipv4.conf.lo.proxy_arp_pvlan = 0
    net.ipv4.conf.lo.rp_filter = 0
    net.ipv4.conf.lo.secure_redirects = 1
    net.ipv4.conf.lo.send_redirects = 1
    net.ipv4.conf.lo.shared_media = 1
    net.ipv4.conf.lo.src_valid_mark = 0
    net.ipv4.conf.lo.tag = 0
    net.ipv4.conf.ppp0.accept_local = 0
    net.ipv4.conf.ppp0.accept_redirects = 1
    net.ipv4.conf.ppp0.accept_source_route = 1
    net.ipv4.conf.ppp0.arp_accept = 0
    net.ipv4.conf.ppp0.arp_announce = 0
    net.ipv4.conf.ppp0.arp_filter = 0
    net.ipv4.conf.ppp0.arp_ignore = 0
    net.ipv4.conf.ppp0.arp_notify = 0
    net.ipv4.conf.ppp0.bootp_relay = 0
    net.ipv4.conf.ppp0.disable_policy = 0
    net.ipv4.conf.ppp0.disable_xfrm = 0
    net.ipv4.conf.ppp0.force_igmp_version = 0
    net.ipv4.conf.ppp0.forwarding = 0
    net.ipv4.conf.ppp0.log_martians = 0
    net.ipv4.conf.ppp0.mc_forwarding = 0
    net.ipv4.conf.ppp0.medium_id = 0
    net.ipv4.conf.ppp0.promote_secondaries = 0
    net.ipv4.conf.ppp0.proxy_arp = 0
    net.ipv4.conf.ppp0.proxy_arp_pvlan = 0
    net.ipv4.conf.ppp0.rp_filter = 0
    net.ipv4.conf.ppp0.secure_redirects = 1
    net.ipv4.conf.ppp0.send_redirects = 1
    net.ipv4.conf.ppp0.shared_media = 1
    net.ipv4.conf.ppp0.src_valid_mark = 0
    net.ipv4.conf.ppp0.tag = 0
    net.ipv4.icmp_echo_ignore_all = 0
    net.ipv4.icmp_echo_ignore_broadcasts = 1
    net.ipv4.icmp_errors_use_inbound_ifaddr = 0
    net.ipv4.icmp_ignore_bogus_error_responses = 1
    net.ipv4.icmp_ratelimit = 1000
    net.ipv4.icmp_ratemask = 6168
    net.ipv4.igmp_max_memberships = 20
    net.ipv4.igmp_max_msf = 10
    net.ipv4.inet_peer_maxttl = 600
    net.ipv4.inet_peer_minttl = 120
    net.ipv4.inet_peer_threshold = 65664
    net.ipv4.ip_default_ttl = 64
    net.ipv4.ip_dynaddr = 0
    net.ipv4.ip_forward = 0
    net.ipv4.ip_local_port_range = 32768 61000
    net.ipv4.ip_local_reserved_ports =
    net.ipv4.ip_no_pmtu_disc = 0
    net.ipv4.ip_nonlocal_bind = 0
    net.ipv4.ipfrag_high_thresh = 262144
    net.ipv4.ipfrag_low_thresh = 196608
    net.ipv4.ipfrag_max_dist = 64
    net.ipv4.ipfrag_secret_interval = 600
    net.ipv4.ipfrag_time = 30
    net.ipv4.neigh.default.anycast_delay = 99
    net.ipv4.neigh.default.app_solicit = 0
    net.ipv4.neigh.default.base_reachable_time_ms = 30000
    net.ipv4.neigh.default.delay_first_probe_time = 5
    net.ipv4.neigh.default.gc_interval = 30
    net.ipv4.neigh.default.gc_stale_time = 60
    net.ipv4.neigh.default.gc_thresh1 = 128
    net.ipv4.neigh.default.gc_thresh2 = 512
    net.ipv4.neigh.default.gc_thresh3 = 1024
    net.ipv4.neigh.default.locktime = 99
    net.ipv4.neigh.default.mcast_solicit = 3
    net.ipv4.neigh.default.proxy_delay = 79
    net.ipv4.neigh.default.proxy_qlen = 64
    net.ipv4.neigh.default.retrans_time_ms = 1000
    net.ipv4.neigh.default.ucast_solicit = 3
    net.ipv4.neigh.default.unres_qlen = 35
    net.ipv4.neigh.default.unres_qlen_bytes = 65536
    net.ipv4.neigh.eth0.anycast_delay = 99
    net.ipv4.neigh.eth0.app_solicit = 0
    net.ipv4.neigh.eth0.base_reachable_time_ms = 30000
    net.ipv4.neigh.eth0.delay_first_probe_time = 5
    net.ipv4.neigh.eth0.gc_stale_time = 60
    net.ipv4.neigh.eth0.locktime = 99
    net.ipv4.neigh.eth0.mcast_solicit = 3
    net.ipv4.neigh.eth0.proxy_delay = 79
    net.ipv4.neigh.eth0.proxy_qlen = 64
    net.ipv4.neigh.eth0.retrans_time_ms = 1000
    net.ipv4.neigh.eth0.ucast_solicit = 3
    net.ipv4.neigh.eth0.unres_qlen = 35
    net.ipv4.neigh.eth0.unres_qlen_bytes = 65536
    net.ipv4.neigh.lo.anycast_delay = 99
    net.ipv4.neigh.lo.app_solicit = 0
    net.ipv4.neigh.lo.base_reachable_time_ms = 30000
    net.ipv4.neigh.lo.delay_first_probe_time = 5
    net.ipv4.neigh.lo.gc_stale_time = 60
    net.ipv4.neigh.lo.locktime = 99
    net.ipv4.neigh.lo.mcast_solicit = 3
    net.ipv4.neigh.lo.proxy_delay = 79
    net.ipv4.neigh.lo.proxy_qlen = 64
    net.ipv4.neigh.lo.retrans_time_ms = 1000
    net.ipv4.neigh.lo.ucast_solicit = 3
    net.ipv4.neigh.lo.unres_qlen = 35
    net.ipv4.neigh.lo.unres_qlen_bytes = 65536
    net.ipv4.neigh.ppp0.anycast_delay = 99
    net.ipv4.neigh.ppp0.app_solicit = 0
    net.ipv4.neigh.ppp0.base_reachable_time_ms = 30000
    net.ipv4.neigh.ppp0.delay_first_probe_time = 5
    net.ipv4.neigh.ppp0.gc_stale_time = 60
    net.ipv4.neigh.ppp0.locktime = 99
    net.ipv4.neigh.ppp0.mcast_solicit = 3
    net.ipv4.neigh.ppp0.proxy_delay = 79
    net.ipv4.neigh.ppp0.proxy_qlen = 64
    net.ipv4.neigh.ppp0.retrans_time_ms = 1000
    net.ipv4.neigh.ppp0.ucast_solicit = 3
    net.ipv4.neigh.ppp0.unres_qlen = 35
    net.ipv4.neigh.ppp0.unres_qlen_bytes = 65536
    net.ipv4.ping_group_range = 1 0
    net.ipv4.route.error_burst = 1500
    net.ipv4.route.error_cost = 300
    net.ipv4.route.gc_elasticity = 8
    net.ipv4.route.gc_interval = 60
    net.ipv4.route.gc_min_interval = 0
    net.ipv4.route.gc_min_interval_ms = 500
    net.ipv4.route.gc_thresh = 32768
    net.ipv4.route.gc_timeout = 300
    net.ipv4.route.max_size = 524288
    net.ipv4.route.min_adv_mss = 256
    net.ipv4.route.min_pmtu = 552
    net.ipv4.route.mtu_expires = 600
    net.ipv4.route.redirect_load = 6
    net.ipv4.route.redirect_number = 9
    net.ipv4.route.redirect_silence = 6144
    net.ipv4.rt_cache_rebuild_count = 4
    net.ipv4.tcp_abc = 0
    net.ipv4.tcp_abort_on_overflow = 0
    net.ipv4.tcp_adv_win_scale = 1
    net.ipv4.tcp_allowed_congestion_control = cubic reno
    net.ipv4.tcp_app_win = 31
    net.ipv4.tcp_available_congestion_control = cubic reno
    net.ipv4.tcp_base_mss = 512
    net.ipv4.tcp_congestion_control = cubic
    net.ipv4.tcp_cookie_size = 0
    net.ipv4.tcp_dma_copybreak = 4096
    net.ipv4.tcp_dsack = 1
    net.ipv4.tcp_early_retrans = 2
    net.ipv4.tcp_ecn = 2
    net.ipv4.tcp_fack = 1
    net.ipv4.tcp_fin_timeout = 60
    net.ipv4.tcp_frto = 2
    net.ipv4.tcp_frto_response = 0
    net.ipv4.tcp_keepalive_intvl = 75
    net.ipv4.tcp_keepalive_probes = 9
    net.ipv4.tcp_keepalive_time = 7200
    net.ipv4.tcp_low_latency = 0
    net.ipv4.tcp_max_orphans = 65536
    net.ipv4.tcp_max_ssthresh = 0
    net.ipv4.tcp_max_syn_backlog = 512
    net.ipv4.tcp_max_tw_buckets = 65536
    net.ipv4.tcp_mem = 19557 26079 39114
    net.ipv4.tcp_moderate_rcvbuf = 1
    net.ipv4.tcp_mtu_probing = 0
    net.ipv4.tcp_no_metrics_save = 0
    net.ipv4.tcp_orphan_retries = 0
    net.ipv4.tcp_reordering = 3
    net.ipv4.tcp_retrans_collapse = 1
    net.ipv4.tcp_retries1 = 3
    net.ipv4.tcp_retries2 = 15
    net.ipv4.tcp_rfc1337 = 0
    net.ipv4.tcp_rmem = 4096 87380 6291456
    net.ipv4.tcp_sack = 1
    net.ipv4.tcp_slow_start_after_idle = 1
    net.ipv4.tcp_stdurg = 0
    net.ipv4.tcp_syn_retries = 5
    net.ipv4.tcp_synack_retries = 5
    net.ipv4.tcp_syncookies = 1
    net.ipv4.tcp_thin_dupack = 0
    net.ipv4.tcp_thin_linear_timeouts = 0
    net.ipv4.tcp_timestamps = 1
    net.ipv4.tcp_tso_win_divisor = 3
    net.ipv4.tcp_tw_recycle = 0
    net.ipv4.tcp_tw_reuse = 0
    net.ipv4.tcp_window_scaling = 1
    net.ipv4.tcp_wmem = 4096 16384 4194304
    net.ipv4.tcp_workaround_signed_windows = 0
    net.ipv4.udp_mem = 21132 28179 42264
    net.ipv4.udp_rmem_min = 4096
    net.ipv4.udp_wmem_min = 4096
    net.ipv4.xfrm4_gc_thresh = 262144
    net.ipv6.bindv6only = 0
    net.ipv6.conf.all.accept_dad = 1
    net.ipv6.conf.all.accept_ra = 1
    net.ipv6.conf.all.accept_ra_defrtr = 1
    net.ipv6.conf.all.accept_ra_pinfo = 1
    net.ipv6.conf.all.accept_ra_rt_info_max_plen = 0
    net.ipv6.conf.all.accept_ra_rtr_pref = 1
    net.ipv6.conf.all.accept_redirects = 1
    net.ipv6.conf.all.accept_source_route = 0
    net.ipv6.conf.all.autoconf = 1
    net.ipv6.conf.all.dad_transmits = 1
    net.ipv6.conf.all.disable_ipv6 = 0
    net.ipv6.conf.all.force_mld_version = 0
    net.ipv6.conf.all.force_tllao = 0
    net.ipv6.conf.all.forwarding = 0
    net.ipv6.conf.all.hop_limit = 64
    net.ipv6.conf.all.max_addresses = 16
    net.ipv6.conf.all.max_desync_factor = 600
    net.ipv6.conf.all.mtu = 1280
    net.ipv6.conf.all.optimistic_dad = 0
    net.ipv6.conf.all.proxy_ndp = 0
    net.ipv6.conf.all.regen_max_retry = 3
    net.ipv6.conf.all.router_probe_interval = 60
    net.ipv6.conf.all.router_solicitation_delay = 1
    net.ipv6.conf.all.router_solicitation_interval = 4
    net.ipv6.conf.all.router_solicitations = 3
    net.ipv6.conf.all.temp_prefered_lft = 86400
    net.ipv6.conf.all.temp_valid_lft = 604800
    net.ipv6.conf.all.use_tempaddr = 0
    net.ipv6.conf.default.accept_dad = 1
    net.ipv6.conf.default.accept_ra = 1
    net.ipv6.conf.default.accept_ra_defrtr = 1
    net.ipv6.conf.default.accept_ra_pinfo = 1
    net.ipv6.conf.default.accept_ra_rt_info_max_plen = 0
    net.ipv6.conf.default.accept_ra_rtr_pref = 1
    net.ipv6.conf.default.accept_redirects = 1
    net.ipv6.conf.default.accept_source_route = 0
    net.ipv6.conf.default.autoconf = 1
    net.ipv6.conf.default.dad_transmits = 1
    net.ipv6.conf.default.disable_ipv6 = 0
    net.ipv6.conf.default.force_mld_version = 0
    net.ipv6.conf.default.force_tllao = 0
    net.ipv6.conf.default.forwarding = 0
    net.ipv6.conf.default.hop_limit = 64
    net.ipv6.conf.default.max_addresses = 16
    net.ipv6.conf.default.max_desync_factor = 600
    net.ipv6.conf.default.mtu = 1280
    net.ipv6.conf.default.optimistic_dad = 0
    net.ipv6.conf.default.proxy_ndp = 0
    net.ipv6.conf.default.regen_max_retry = 3
    net.ipv6.conf.default.router_probe_interval = 60
    net.ipv6.conf.default.router_solicitation_delay = 1
    net.ipv6.conf.default.router_solicitation_interval = 4
    net.ipv6.conf.default.router_solicitations = 3
    net.ipv6.conf.default.temp_prefered_lft = 86400
    net.ipv6.conf.default.temp_valid_lft = 604800
    net.ipv6.conf.default.use_tempaddr = 0
    net.ipv6.conf.eth0.accept_dad = 1
    net.ipv6.conf.eth0.accept_ra = 1
    net.ipv6.conf.eth0.accept_ra_defrtr = 1
    net.ipv6.conf.eth0.accept_ra_pinfo = 1
    net.ipv6.conf.eth0.accept_ra_rt_info_max_plen = 0
    net.ipv6.conf.eth0.accept_ra_rtr_pref = 1
    net.ipv6.conf.eth0.accept_redirects = 1
    net.ipv6.conf.eth0.accept_source_route = 0
    net.ipv6.conf.eth0.autoconf = 1
    net.ipv6.conf.eth0.dad_transmits = 1
    net.ipv6.conf.eth0.disable_ipv6 = 0
    net.ipv6.conf.eth0.force_mld_version = 0
    net.ipv6.conf.eth0.force_tllao = 0
    net.ipv6.conf.eth0.forwarding = 0
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    net.ipv6.neigh.lo.gc_stale_time = 60
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    net.netfilter.nf_log.12 = NONE
    net.netfilter.nf_log.2 = NONE
    net.netfilter.nf_log.3 = NONE
    net.netfilter.nf_log.4 = NONE
    net.netfilter.nf_log.5 = NONE
    net.netfilter.nf_log.6 = NONE
    net.netfilter.nf_log.7 = NONE
    net.netfilter.nf_log.8 = NONE
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