[ 4705.519980][T28848] gre: GRE over IPv4 demultiplexer driver
[ 4707.396643][T28871] ip_gre: GRE over IPv4 tunneling driver
[ 4760.524508][T29443] ip6_gre: GRE over IPv6 tunneling driver
[ 4778.839207][T29642] ping (29642) used greatest stack depth: 22672 bytes left
[ 4792.157298][ T7547] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4797.211872][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4802.523857][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4807.131850][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4812.956847][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!