[ 1474.002417][  T676] gre: GRE over IPv4 demultiplexer driver
[ 1474.474479][  T699] ip_gre: GRE over IPv4 tunneling driver
[ 1492.224623][ T1273] ip6_gre: GRE over IPv6 tunneling driver
[ 1499.566552][ T1524] ping (1524) used greatest stack depth: 23696 bytes left
[ 1502.106401][ T1618] ping (1618) used greatest stack depth: 23120 bytes left
[ 1505.256281][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1507.688228][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1509.991216][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1512.296196][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!