[ 1535.858466][ T2480] gre: GRE over IPv4 demultiplexer driver
[ 1536.341300][ T2503] ip_gre: GRE over IPv4 tunneling driver
[ 1544.628162][ T2849] ping (2849) used greatest stack depth: 23360 bytes left
[ 1553.285588][ T3074] ip6_gre: GRE over IPv6 tunneling driver
[ 1564.531962][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1566.708921][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1568.628923][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1570.740924][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1627.432271][ T5594] ping (5594) used greatest stack depth: 23328 bytes left