[ 1660.768075][ T1775] gre: GRE over IPv4 demultiplexer driver
[ 1661.250133][ T1798] ip_gre: GRE over IPv4 tunneling driver
[ 1677.889206][ T2370] ip6_gre: GRE over IPv6 tunneling driver
[ 1683.901357][ T2619] ping (2619) used greatest stack depth: 22896 bytes left
[ 1688.979866][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1691.091841][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1693.011825][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1695.123837][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!