[ 1410.238656][T25141] gre: GRE over IPv4 demultiplexer driver
[ 1410.691985][T25164] ip_gre: GRE over IPv4 tunneling driver
[ 1426.065231][T25737] ip6_gre: GRE over IPv6 tunneling driver
[ 1433.369793][T26080] ping (26080) used greatest stack depth: 23344 bytes left
[ 1436.230670][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1438.214635][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1440.070634][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1442.053651][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1495.228024][T28343] ping (28343) used greatest stack depth: 23040 bytes left