[ 1330.525334][T27922] gre: GRE over IPv4 demultiplexer driver
[ 1330.994294][T27945] ip_gre: GRE over IPv4 tunneling driver
[ 1338.534092][T28293] ping (28293) used greatest stack depth: 23488 bytes left
[ 1346.804663][T28518] ip6_gre: GRE over IPv6 tunneling driver
[ 1357.109931][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1359.092890][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1360.948905][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1362.932910][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!