Iptables triggers the failure to start the authorized table store server.

Stats-storage-0:/root # iptables -- flush
Stats-storage-0:/etc/sysconfig/network-scripts # serviceiptablesstart
Flushingfirewallrules: [OK]
SettingchainstopolicyACCEPT: filter [OK]
Unloadingiptablesmodules:

... Andthereithangs. WhenIthenrun, inanotherwindow:

Stats-storage-0:/root # serviceopenibdstop.
UnloadingOpenIBkernelmodules: [OK]

... Thentheiptablesrunfrombeforecompletessuccessfully.

Isthisaknown/reportedbug? Oristhissomethingnew?

Note: Ihavemodified/etc/sysconfig/iptables-config, tocommentout
Thisline:

# IPTABLES_MODULES = "ip_conntrack_netbios_ns"
IPTABLES_MODULES = ""

Ididthisinanattempttostoptheactualkernelpanics, which
Areofcourseworse. Thelogsfromoneofthosekernelpanics:

IRemovingnetfilterNETLINKlayer.
Ip_tables :( C) 2000-2006NetfilterCoreTeam
NetfiltermessagesviaNETLINKv0.30.
Ip_conntrackversion2.4 (8192 buckets, 65536max)-304 bytesper
Conntrack
Unabletohandlekernelpagingrequestat0000000000200200RIP:
[<Ffffff80157b5d>] list_del + 0x8/0x71
Pgd6b0eb067pud6f36c067pm0
Oops: 0000 [1] SMP
Lastsysfsfile:
/Devices/pci0000: 00/0000: 00: 02.0/. 0/0000: 05: 00.0/. 0/0000: 07:
00.0/irq
CPU7
Moduleslinkedin: ip_conntracknfnetlinknfsfscachehfsplusnfsd
Exportfsnfs_aclauth_rpcgssopenafs (PU) autofs4ipmi_devintfipmi_si
Ipmi_msghandlerlockdsunrpcipt_REJECTip6t_REJECTxt_tcpudp
Ip6table_filterip6_tablesx_tablesbe2iscsiiscsi_tcpbnx2icnicuio
Cxgb3icxgb1_21qlibiscsi_tcpib_iserlibiscsi2scsi_transport_isci2
Scsi_transport_iscsiib_srprdsib_sdpib_ipoibipoib_helperipv6
Xfrm_nalgocrypto_apirdma_ucmrdma_cmib_ucmib_uverbsib_umadib_cm
Iw_cmib_addrib_samlx4_ibib_madib_coreloopdm_1_dm_multipath
Scsi_dhvideobacklightsbspower_meterhwmoni2c_eci2c_coredell_wmiwmi
Buttonbatteryasus_acpiacpi_memhotplugacparport_pclpparportmlx4_en
Joydevsr_modcdromsgqla2xxxtpm_tistpmmlx4_coretpm_biosbnx2
Scsi_transport_fcpcspkri5000_edacedac_mcserio_rawdm_raid45dm_message
Dm_region_hashdm_logdm_moddm_mem_cacheata_piixlibatashpchp
Megaraid_sassd_modscsi_modext3jbduhci_hcdohci_hcdehci_hcd
Pid: 11693, comm: modprobeTainted: P2.6.18-238.1.1. el5 #1
RIP: 0010: [<ffffff80157b5d>] [<ffffff80157b5d>] list_del + 0x8/0x71
RSP: 0000: ffff81006fd83ea8EFLAGS: 00010213
RAX: 0000000000200rbx: ffff81006cdce9a8RCX: ffff810037c2c3b8
RDX: ffff81006cdce8b8RSI: commandid 00000000rdi: ffff81006cdce9a8
RAX: 0000000000200rbx: ffff81006cdce9a8RCX: ffff810037c2c3b8
RDX: ffff81006cdce8b8RSI: commandid 00000000rdi: ffff81006cdce9a8
RBP: 000000000001fff0R08: ffff81007f06bbf8R09: ffffffff8886f9f3
R10: ffffff804b1300r11: commandid 00000000r12: 0000000000002000
R13: 0000000000000000R14: ffffffff8886f9f3R15: 0000000000000000
FS: 20172b0c65d266e0 (0000) GS: ffff81007fae03c0 (0000)
KnlGS: 0000000000000000
CS: 0010DS: elasticsearch: Cr0: 2017100008005003b

CR2: 2017100000020020032a: 2017100006af74000cr4: 2017100000000000006e0
Processmodprobe (pid: 11693, threadinfoffff81006fd82000, task
Ffff81007a652080)
Stack: ffff81006cdce8b8ffffffff8887125dffff81006cdce8b8
Ffffffff8887017f
00000000000000ff000000000000000000000000000000000000088000000000113ac568
20177fff52d23520ffffffffff88870309ffffffff8887ca00ffffffff800a8559
CallTrace:
[<Ffffff8887125d>]: ip_conntrack: destroy_conntrack + 0x9a/0xdc
[<Ffffff8887017f>]: ip_conntrack: ip_ct_iterate_cleanup + 0x30/0x142
[<Ffffffff88870309>]: ip_conntrack: ip_conntrack_cleanup + 0x6a/0xc7
[<Ffffff800a8559>] sys_delete_module + 0x196/0 x1c5
[<Ffffff8005d28d>] tracesys + 0xd5/0xe0


Code: 488b104839fa741b4889fe31c048c7c7903b2c80
RIP [<ffffff80157b5d>] list_del + 0x8/0x71
RSP <ffff81006fd83ea8>
CR2: 0000000000200200
<0> Kernelpanic-notsyncing: Fatalexception

Sed-I "s/IPTABLES_MODULES_UNLOAD = \" yes \ "/IPTABLES_MODULES_UNLOAD = \" yes \ ""/etc/sysconfig/iptables-config

Change IPTABLES_MODULES_UNLOAD = "yes" to no

Function: whether to uninstall the loaded module when iptables is restarted or stopped. yes indicates yes.