[ 1545.455582][T10978] gre: GRE over IPv4 demultiplexer driver
[ 1545.971432][T11001] ip_gre: GRE over IPv4 tunneling driver
[ 1563.603049][T11574] ip6_gre: GRE over IPv6 tunneling driver
[ 1572.444979][T11922] ping (11922) used greatest stack depth: 23192 bytes left
[ 1575.448963][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1577.624927][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1579.608927][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1581.785928][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!