[ 3234.074846][T26131] gre: GRE over IPv4 demultiplexor driver
[ 3235.375261][T26154] ip_gre: GRE over IPv4 tunneling driver
[ 3273.773754][T26725] ip6_gre: GRE over IPv6 tunneling driver
[ 3294.858615][T27069] ping (27069) used greatest stack depth: 23360 bytes left
[ 3299.192330][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3303.096227][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3306.489219][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3310.392271][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3436.629941][T29242] ping (29242) used greatest stack depth: 22320 bytes left