[ 1339.324718][T22974] gre: GRE over IPv4 demultiplexer driver
[ 1339.791853][T22997] ip_gre: GRE over IPv4 tunneling driver
[ 1355.562947][T23568] ip6_gre: GRE over IPv6 tunneling driver
[ 1363.056226][T23913] ping (23913) used greatest stack depth: 23208 bytes left
[ 1365.893569][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1367.878530][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1369.733535][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1371.718531][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1426.343446][T26181] ping (26181) used greatest stack depth: 23168 bytes left