[ 1318.927039][T19208] gre: GRE over IPv4 demultiplexer driver
[ 1319.560361][T19231] ip_gre: GRE over IPv4 tunneling driver
[ 1336.547555][T19803] ip6_gre: GRE over IPv6 tunneling driver
[ 1343.472300][T20059] ping (20059) used greatest stack depth: 23072 bytes left
[ 1349.059274][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1351.300167][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1353.219181][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1355.651225][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1381.842535][T21290] ping (21290) used greatest stack depth: 22896 bytes left