[ 1517.328275][T17600] gre: GRE over IPv4 demultiplexer driver
[ 1517.802444][T17623] ip_gre: GRE over IPv4 tunneling driver
[ 1525.283661][T17969] ping (17969) used greatest stack depth: 23976 bytes left
[ 1533.593746][T18194] ip6_gre: GRE over IPv6 tunneling driver
[ 1538.035679][T18393] ping (18393) used greatest stack depth: 23832 bytes left
[ 1539.111383][T18443] ping (18443) used greatest stack depth: 23824 bytes left
[ 1543.935289][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1545.920260][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1547.775256][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1549.823266][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1563.060093][T19270] ip (19270) used greatest stack depth: 23760 bytes left