[ 1634.082930][ T2088] gre: GRE over IPv4 demultiplexer driver
[ 1634.541885][ T2111] ip_gre: GRE over IPv4 tunneling driver
[ 1650.590608][ T2684] ip6_gre: GRE over IPv6 tunneling driver
[ 1656.250206][ T2934] ping (2934) used greatest stack depth: 22704 bytes left
[ 1661.205714][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1663.253676][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1665.108671][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1667.157690][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!