[ 1663.198821][T14605] gre: GRE over IPv4 demultiplexer driver
[ 1663.682966][T14628] ip_gre: GRE over IPv4 tunneling driver
[ 1679.249037][T15199] ip6_gre: GRE over IPv6 tunneling driver
[ 1680.854767][T11769] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1684.662608][T15449] ping (15449) used greatest stack depth: 23328 bytes left
[ 1689.486684][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1691.471679][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1693.263685][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1695.246705][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!