[ 1539.483052][T17123] gre: GRE over IPv4 demultiplexer driver
[ 1540.011636][T17146] ip_gre: GRE over IPv4 tunneling driver
[ 1556.070602][T17717] ip6_gre: GRE over IPv6 tunneling driver
[ 1556.492384][T17725] ping (17725) used greatest stack depth: 23904 bytes left
[ 1560.594946][T17916] ping (17916) used greatest stack depth: 23296 bytes left
[ 1566.653660][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1568.701642][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1570.621627][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1572.669630][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!