[ 1474.846233][T31115] gre: GRE over IPv4 demultiplexer driver
[ 1475.332221][T31138] ip_gre: GRE over IPv4 tunneling driver
[ 1491.406221][T31723] ip6_gre: GRE over IPv6 tunneling driver
[ 1496.956830][T31972] ping (31972) used greatest stack depth: 23072 bytes left
[ 1501.829855][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1503.876818][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1505.732838][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1507.780839][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!