[ 1356.212848][T25140] gre: GRE over IPv4 demultiplexer driver
[ 1356.624800][T25163] ip_gre: GRE over IPv4 tunneling driver
[ 1371.972977][T25734] ip6_gre: GRE over IPv6 tunneling driver
[ 1377.271795][T25983] ping (25983) used greatest stack depth: 22640 bytes left
[ 1381.974233][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1383.959207][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1385.815211][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1387.799213][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!