[ 1677.355010][T18968] gre: GRE over IPv4 demultiplexer driver
[ 1677.862543][T18991] ip_gre: GRE over IPv4 tunneling driver
[ 1694.194475][T19563] ip6_gre: GRE over IPv6 tunneling driver
[ 1702.178220][T19915] ping (19915) used greatest stack depth: 22288 bytes left
[ 1705.103204][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1707.152150][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1709.071164][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1711.119168][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!