After running yum update on Centos 6.6 i am getting network issues with DNS/IPV6

Hi I run yum update on Centos 6.6 and it just update some system files and install a new kernel but i didn't reboot and after that i have many issues with my network dns/ipv6 Even yum update is not working: [root@server ~]# yum update Loaded plugins: downloadonly, fastestmirror, priorities Setting up Update Process Determining fastest mirrors Could not retrieve mirrorlist [login to view URL] error was 14: PYCURL ERROR 6 - "Couldn't resolve host '[login to view URL]'" Error: Cannot find a valid baseurl for repo: base Even if i add this on my hosts that i can ping the ip: [login to view URL] [login to view URL] Also if i use wget and a link to file is not working but if i use wget -4 and the same file link is working!!! Also checking some system settings i found some new entries related to ipv6 that i remove: hosts file: ::1 localhost [login to view URL] localhost6 [login to view URL] and on nameservers i got a line: search [login to view URL] Some other info also: /etc/hosts: [login to view URL] localhost [login to view URL] [login to view URL] [login to view URL] server /etc/sysconfig/network: NETWORKING=yes HOSTNAME=[login to view URL] GATEWAY=[login to view URL] /etc/[login to view URL] # Generated by NetworkManager nameserver 8.8.8.8 And then reboot the server but nothing also i have this: /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE="eth0" BOOTPROTO="static" DNS1="8.8.8.8" GATEWAY="37.187.xxx.254" HWADDR="0C:C4:7A:02:CA:xx" IPADDR="[login to view URL]" NETMASK="[login to view URL]" NM_CONTROLLED="no" ONBOOT="yes" TYPE="Ethernet" UUID="cb7ea12f-2ab7-45a1-896f-8ff948d7xxxx" and this: /etc/[login to view URL] passwd: files shadow: files group: files #hosts: db files nisplus nis dns hosts: files dns bootparams: nisplus [NOTFOUND=return] files ethers: files netmasks: files networks: files protocols: files rpc: files services: files netgroup: nisplus publickey: nisplus automount: files nisplus aliases: files nisplus [root@server ~]# nslookup [login to view URL] Server: 8.8.8.8 Address: 8.8.8.8#53 Non-authoritative answer: Name: [login to view URL] Address: [login to view URL] Name: [login to view URL] Address: [login to view URL] Name: [login to view URL] Address: [login to view URL] Name: [login to view URL] Address: [login to view URL] Name: [login to view URL] Address: [login to view URL] Name: [login to view URL] Address: [login to view URL] Name: [login to view URL] Address: [login to view URL] Name: [login to view URL] Address: [login to view URL] Name: [login to view URL] Address: [login to view URL] Name: [login to view URL] Address: [login to view URL] Name: [login to view URL] Address: [login to view URL] and: dig @8.8.8.8 Google [root@server ~]# dig @8.8.8.8 Google ; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.30.rc1.el6_6.1 <<>> @8.8.8.8 Google ; (1 server found) ;; global options: +cmd ;; connection timed out; no servers could be reached and: [root@server ~]# ping6 [login to view URL] PING [login to view URL](2001:4178:2:1269::fed2) 56 data bytes From fe80::2ff:ffff:feff:fffe icmp_seq=25 Destination unreachable: Beyond scope of source address [root@server ~]# lsmod | grep ipv6 nf_conntrack_ipv6 8337 67 nf_defrag_ipv6 27236 1 nf_conntrack_ipv6 nf_conntrack 80390 8 nf_conntrack_ipv6,xt_state,nf_nat_ftp,iptable_nat,nf_nat,nf_conntrack_ipv4,xt_conntrack,nf_conntrack_ftp ipv6 334740 42 nf_conntrack_ipv6,nf_defrag_ipv6 So i need someone that knows how to fix this ...