[ 1556.832925][T28393] gre: GRE over IPv4 demultiplexer driver
[ 1557.323512][T28417] ip_gre: GRE over IPv4 tunneling driver
[ 1561.994857][T28619] ping (28619) used greatest stack depth: 23568 bytes left
[ 1565.267954][T28763] ping (28763) used greatest stack depth: 23328 bytes left
[ 1573.848410][T28996] ip6_gre: GRE over IPv6 tunneling driver
[ 1578.594773][T29196] ping (29196) used greatest stack depth: 23248 bytes left
[ 1584.729945][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1586.778861][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1588.698869][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1590.810867][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!