Description of problem: one extra DNSSL is added Version-Release number of selected component (if applicable): ovn2.11-2.11.1-24.el8fdp.x86_64 How reproducible: Always Steps to Reproduce: https://bugzilla.redhat.com/show_bug.cgi?id=1699332#c7 https://bugzilla.redhat.com/show_bug.cgi?id=1699332#c6 Actual results: dnssl is: search aa.bb.cc aa Expected results: dnssl is search aa.bb.cc Additional info:
[root@dell-per740-12 bz1787000]# ovn-sbctl list port_binding _uuid : 37f82fe5-45e0-4c12-87d3-8805cc0d3f29 chassis : a8a014ef-2ade-4fd0-9b97-1a9ddc37edd8 datapath : 96a82ba1-2eec-4e4c-9ff8-4a5f59ce4cf8 encap : [] external_ids : {} gateway_chassis : [] ha_chassis_group : [] logical_port : ls1p3 mac : ["00:00:00:01:03:02"] nat_addresses : [] options : {} parent_port : [] tag : [] tunnel_key : 4 type : "" virtual_parent : [] _uuid : 852e1f99-9e2f-468e-939e-6b435258a561 chassis : [] datapath : 96a82ba1-2eec-4e4c-9ff8-4a5f59ce4cf8 encap : [] external_ids : {} gateway_chassis : [] ha_chassis_group : [] logical_port : ls1-lr1 mac : ["00:00:00:00:00:01"] nat_addresses : [] options : {peer=lr1-ls1} parent_port : [] tag : [] tunnel_key : 3 type : patch virtual_parent : [] _uuid : e709c686-20db-4cd2-9efd-4334c8771aa4 chassis : a8a014ef-2ade-4fd0-9b97-1a9ddc37edd8 datapath : 96a82ba1-2eec-4e4c-9ff8-4a5f59ce4cf8 encap : [] external_ids : {} gateway_chassis : [] ha_chassis_group : [] logical_port : ls1p2 mac : ["00:00:00:01:02:02"] nat_addresses : [] options : {} parent_port : [] tag : [] tunnel_key : 2 type : "" virtual_parent : [] _uuid : 529c23b3-221a-4805-a44e-0c384c937cb1 chassis : e2ef5a3a-3c4d-44a4-a130-f10112de0c98 datapath : 96a82ba1-2eec-4e4c-9ff8-4a5f59ce4cf8 encap : [] external_ids : {} gateway_chassis : [] ha_chassis_group : [] logical_port : ls1p1 mac : ["00:00:00:01:01:02"] nat_addresses : [] options : {} parent_port : [] tag : [] tunnel_key : 1 type : "" virtual_parent : [] _uuid : eb1ead73-aff5-4c89-8450-89659810a738 chassis : [] datapath : bc1b6b02-280b-4a9f-b0f1-edad9eeb7cd8 encap : [] external_ids : {} gateway_chassis : [] ha_chassis_group : [] logical_port : lr1-ls1 mac : ["00:00:00:00:00:01 aef0:0:0:0:0:0:0:1/64"] nat_addresses : [] options : {ipv6_ra_address_mode=slaac, ipv6_ra_dnssl=aa.bb.cc, ipv6_ra_max_interval="4", ipv6_ra_min_interval="3", ipv6_ra_prefixes="aef0::/64", ipv6_ra_prf=LOW, ipv6_ra_rdnss="aef0::11", ipv6 _ra_route_info="HIGH-aef1::11/48,LOW-aef2::11/96", ipv6_ra_send_periodic="true", ipv6_ra_src_addr="fe80::200:ff:fe00:1", ipv6_ra_src_eth="00:00:00:00:00:01", peer=ls1-lr1} parent_port : [] tag : [] tunnel_key : 1 type : patch virtual_parent : [] packets captured in vm: 21:21:54.122062 00:00:00:00:00:01 > 33:33:00:00:00:01, ethertype IPv6 (0x86dd), length 198: (hlim 255, next-header ICMPv6 (58) payload length: 144) fe80::200:ff:fe00:1 > ff02::1: [icmp6 sum ok] ICMP6, router advertisement, length 144 hop limit 255, Flags [none], pref low, router lifetime 65535s, reachable time 0ms, retrans time 0ms source link-address option (1), length 8 (1): 00:00:00:00:00:01 0x0000: 0000 0000 0001 prefix info option (3), length 32 (4): aef0::/64, Flags [onlink, auto], valid time infinity, pref. time infinity 0x0000: 40c0 ffff ffff ffff ffff 0000 0000 aef0 0x0010: 0000 0000 0000 0000 0000 0000 0000 rdnss option (25), length 24 (3): lifetime 4294967295s, addr: aef0::11 0x0000: 0000 ffff ffff aef0 0000 0000 0000 0000 0x0010: 0000 0000 0011 dnssl option (31), length 24 (3): lifetime 4294967295s, domain(s): aa.bb.cc. 0x0000: 0000 ffff ffff 0261 6102 6262 0263 6300 0x0010: 0000 0000 0000 <=== aa.bb.cc route info option (24), length 16 (2): aef1::/48, pref=high, lifetime=infinity 0x0000: 3008 ffff ffff aef1 0000 0000 0000 route info option (24), length 24 (3): aef2::/96, pref=low, lifetime=infinity 0x0000: 6018 ffff ffff aef2 0000 0000 0000 0000 0x0010: 0000 0000 0000 <=== also sometimes with route info, sometimes without route info, i don't know if this is a bug 21:21:54.124207 00:00:00:01:03:02 > 33:33:00:00:00:16, ethertype IPv6 (0x86dd), length 90: (hlim 1, next-header Options (0) payload length: 36) fe80::200:ff:fe01:302 > ff02::16: HBH (rtalert: 0x0000) (padn) [icmp6 sum ok] ICMP6, multicast listener report v2, 1 group record(s) [gaddr ff02::1:ff01:302 to_ex { }] 21:21:54.726195 00:00:00:01:03:02 > 33:33:00:00:00:16, ethertype IPv6 (0x86dd), length 90: (hlim 1, next-header Options (0) payload length: 36) fe80::200:ff:fe01:302 > ff02::16: HBH (rtalert: 0x0000) (padn) [icmp6 sum ok] ICMP6, multicast listener report v2, 1 group record(s) [gaddr ff02::1:ff01:302 to_ex { }] 21:21:57.246265 00:00:00:00:00:01 > 33:33:00:00:00:01, ethertype IPv6 (0x86dd), length 150: (hlim 255, next-header ICMPv6 (58) payload length: 96) fe80::200:ff:fe00:1 > ff02::1: [icmp6 sum ok] ICMP6, router advertisement, length 96 hop limit 255, Flags [none], pref low, router lifetime 65535s, reachable time 0ms, retrans time 0ms source link-address option (1), length 8 (1): 00:00:00:00:00:01 0x0000: 0000 0000 0001 prefix info option (3), length 32 (4): aef0::/64, Flags [onlink, auto], valid time infinity, pref. time infinity 0x0000: 40c0 ffff ffff ffff ffff 0000 0000 aef0 0x0010: 0000 0000 0000 0000 0000 0000 0000 rdnss option (25), length 24 (3): lifetime 4294967295s, addr: aef0::11 0x0000: 0000 ffff ffff aef0 0000 0000 0000 0000 0x0010: 0000 0000 0011 dnssl option (31), length 16 (2): lifetime 4294967295s, domain(s): aa. 0x0000: 0000 ffff ffff 0261 6100 0000 0000 <==== aa
Verified on 2.11.1-33 with steps in https://bugzilla.redhat.com/show_bug.cgi?id=1699332#c7 https://bugzilla.redhat.com/show_bug.cgi?id=1699332#c6: [root@localhost eth1]# ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 link/ether 52:54:00:76:ec:a7 brd ff:ff:ff:ff:ff:ff inet 192.168.122.248/24 brd 192.168.122.255 scope global noprefixroute dynamic eth0 valid_lft 3404sec preferred_lft 3404sec inet6 fe80::5054:ff:fe76:eca7/64 scope link valid_lft forever preferred_lft forever 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 link/ether 00:00:00:01:03:02 brd ff:ff:ff:ff:ff:ff inet6 aef0::200:ff:fe01:302/64 scope global noprefixroute valid_lft forever preferred_lft forever inet6 fe80::200:ff:fe01:302/64 scope link noprefixroute valid_lft forever preferred_lft forever [root@localhost eth1]# ip -6 r unreachable ::/96 dev lo metric 1024 error -113 pref medium unreachable ::ffff:0.0.0.0/96 dev lo metric 1024 error -113 pref medium unreachable 2002:a00::/24 dev lo metric 1024 error -113 pref medium unreachable 2002:7f00::/24 dev lo metric 1024 error -113 pref medium unreachable 2002:a9fe::/32 dev lo metric 1024 error -113 pref medium unreachable 2002:ac10::/28 dev lo metric 1024 error -113 pref medium unreachable 2002:c0a8::/32 dev lo metric 1024 error -113 pref medium unreachable 2002:e000::/19 dev lo metric 1024 error -113 pref medium unreachable 3ffe:ffff::/32 dev lo metric 1024 error -113 pref medium aef0::/64 dev eth1 proto ra metric 101 pref medium aef1::/48 via fe80::200:ff:fe00:1 dev eth1 proto ra metric 101 pref high aef2::/96 via fe80::200:ff:fe00:1 dev eth1 proto ra metric 101 pref low fe80::/64 dev eth1 proto kernel metric 101 pref medium fe80::/64 dev eth0 proto kernel metric 256 pref medium default via fe80::200:ff:fe00:1 dev eth1 proto ra metric 101 pref low [root@localhost eth1]# cat /etc/resolv.conf # Generated by NetworkManager search aa.bb.cc nameserver 192.168.122.1 nameserver aef0::11 packets on eth1: 21:49:35.900974 00:00:00:00:00:01 > 33:33:00:00:00:01, ethertype IPv6 (0x86dd), length 198: (hlim 255, next-header ICMPv6 (58) payload length: 144) fe80::200:ff:fe00:1 > ff02::1: [icmp6 sum ok] ICMP6, router advertisement, length 144 hop limit 255, Flags [none], pref low, router lifetime 65535s, reachable time 0ms, retrans time 0ms source link-address option (1), length 8 (1): 00:00:00:00:00:01 0x0000: 0000 0000 0001 prefix info option (3), length 32 (4): aef0::/64, Flags [onlink, auto], valid time infinity, pref. time infinity 0x0000: 40c0 ffff ffff ffff ffff 0000 0000 aef0 0x0010: 0000 0000 0000 0000 0000 0000 0000 rdnss option (25), length 24 (3): lifetime 4294967295s, addr: aef0::11 0x0000: 0000 ffff ffff aef0 0000 0000 0000 0000 0x0010: 0000 0000 0011 dnssl option (31), length 24 (3): lifetime 4294967295s, domain(s): aa.bb.cc. 0x0000: 0000 ffff ffff 0261 6102 6262 0263 6300 0x0010: 0000 0000 0000 route info option (24), length 16 (2): aef1::/48, pref=high, lifetime=infinity 0x0000: 3008 ffff ffff aef1 0000 0000 0000 route info option (24), length 24 (3): aef2::/96, pref=low, lifetime=infinity 0x0000: 6018 ffff ffff aef2 0000 0000 0000 0000 0x0010: 0000 0000 0000 21:49:39.203243 00:00:00:00:00:01 > 33:33:00:00:00:01, ethertype IPv6 (0x86dd), length 198: (hlim 255, next-header ICMPv6 (58) payload length: 144) fe80::200:ff:fe00:1 > ff02::1: [icmp6 sum ok] ICMP6, router advertisement, length 144 hop limit 255, Flags [none], pref low, router lifetime 65535s, reachable time 0ms, retrans time 0ms source link-address option (1), length 8 (1): 00:00:00:00:00:01 0x0000: 0000 0000 0001 prefix info option (3), length 32 (4): aef0::/64, Flags [onlink, auto], valid time infinity, pref. time infinity 0x0000: 40c0 ffff ffff ffff ffff 0000 0000 aef0 0x0010: 0000 0000 0000 0000 0000 0000 0000 rdnss option (25), length 24 (3): lifetime 4294967295s, addr: aef0::11 0x0000: 0000 ffff ffff aef0 0000 0000 0000 0000 0x0010: 0000 0000 0011 dnssl option (31), length 24 (3): lifetime 4294967295s, domain(s): aa.bb.cc. 0x0000: 0000 ffff ffff 0261 6102 6262 0263 6300 0x0010: 0000 0000 0000 route info option (24), length 16 (2): aef1::/48, pref=high, lifetime=infinity 0x0000: 3008 ffff ffff aef1 0000 0000 0000 route info option (24), length 24 (3): aef2::/96, pref=low, lifetime=infinity 0x0000: 6018 ffff ffff aef2 0000 0000 0000 0000 0x0010: 0000 0000 0000
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2020:0750