[ 1471.316076][ T6064] gre: GRE over IPv4 demultiplexer driver
[ 1471.843490][ T6087] ip_gre: GRE over IPv4 tunneling driver
[ 1490.034040][ T6670] ip6_gre: GRE over IPv6 tunneling driver
[ 1495.604999][ T6869] ping (6869) used greatest stack depth: 22944 bytes left
[ 1502.031996][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1504.272945][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1506.319975][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1508.560957][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!