[ 1609.661444][T28811] gre: GRE over IPv4 demultiplexer driver
[ 1610.086132][T28834] ip_gre: GRE over IPv4 tunneling driver
[ 1625.964088][T29412] ip6_gre: GRE over IPv6 tunneling driver
[ 1631.403713][T29661] ping (29661) used greatest stack depth: 23872 bytes left
[ 1636.207486][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1638.191457][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1640.048444][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1642.031457][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1661.425229][T30748] ping (30748) used greatest stack depth: 23664 bytes left
[ 1664.804922][T30921] ip (30921) used greatest stack depth: 23480 bytes left