[ 1486.842021][T13094] gre: GRE over IPv4 demultiplexer driver
[ 1487.359741][T13117] ip_gre: GRE over IPv4 tunneling driver
[ 1493.742058][T13370] ping (13370) used greatest stack depth: 23424 bytes left
[ 1500.310548][T13588] ip (13588) used greatest stack depth: 23352 bytes left
[ 1504.547996][T13690] ip6_gre: GRE over IPv6 tunneling driver
[ 1508.933215][T10230] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1510.914371][T13939] ping (13939) used greatest stack depth: 22336 bytes left
[ 1516.109110][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1518.221115][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1520.140120][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1522.252169][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!