[ 1619.620862][T31942] gre: GRE over IPv4 demultiplexer driver
[ 1620.087195][T31965] ip_gre: GRE over IPv4 tunneling driver
[ 1636.284351][T32545] ip6_gre: GRE over IPv6 tunneling driver
[ 1642.008776][  T331] ping (331) used greatest stack depth: 23248 bytes left
[ 1646.968396][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1649.017353][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1650.872364][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1652.921356][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!