[ 1479.695047][T31260] gre: GRE over IPv4 demultiplexer driver
[ 1480.193593][T31283] ip_gre: GRE over IPv4 tunneling driver
[ 1487.043412][T31579] ping (31579) used greatest stack depth: 23456 bytes left
[ 1496.829646][T31854] ip6_gre: GRE over IPv6 tunneling driver
[ 1502.874164][T32104] ping (32104) used greatest stack depth: 23136 bytes left
[ 1508.016230][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1510.129200][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1512.048207][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1514.160253][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!