[ 1571.710523][T15567] gre: GRE over IPv4 demultiplexer driver
[ 1572.263199][T15590] ip_gre: GRE over IPv4 tunneling driver
[ 1590.846389][T16162] ip6_gre: GRE over IPv6 tunneling driver
[ 1599.563187][T16456] ping (16456) used greatest stack depth: 23200 bytes left
[ 1601.123978][T16506] ping (16506) used greatest stack depth: 22704 bytes left
[ 1604.358937][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1606.790926][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1609.030884][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1611.462900][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!