[ 1382.650234][T28599] gre: GRE over IPv4 demultiplexer driver
[ 1383.103295][T28622] ip_gre: GRE over IPv4 tunneling driver
[ 1388.390255][T28875] ping (28875) used greatest stack depth: 24224 bytes left
[ 1398.439028][T29195] ip6_gre: GRE over IPv6 tunneling driver
[ 1402.769134][T29402] ping (29402) used greatest stack depth: 23952 bytes left
[ 1403.818251][T29452] ping (29452) used greatest stack depth: 23344 bytes left
[ 1408.529091][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1410.449060][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1412.240071][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1414.224076][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!