[ 1533.723833][T21464] gre: GRE over IPv4 demultiplexer driver
[ 1534.206511][T21487] ip_gre: GRE over IPv4 tunneling driver
[ 1539.711564][T21739] ping (21739) used greatest stack depth: 23520 bytes left
[ 1550.058984][T22058] ip6_gre: GRE over IPv6 tunneling driver
[ 1555.597381][T22307] ping (22307) used greatest stack depth: 23072 bytes left
[ 1555.767659][   T61] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1560.568583][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1562.552586][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1564.407587][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1566.455599][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!