[ 1595.578185][T30838] gre: GRE over IPv4 demultiplexer driver
[ 1595.989328][T30861] ip_gre: GRE over IPv4 tunneling driver
[ 1603.761842][T31237] ip (31237) used greatest stack depth: 23384 bytes left
[ 1611.667259][T31433] ip6_gre: GRE over IPv6 tunneling driver
[ 1619.046149][T31777] ping (31777) used greatest stack depth: 23320 bytes left
[ 1621.912964][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1623.896925][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1625.752931][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1627.737928][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!