[ 3123.052323][T20303] gre: GRE over IPv4 demultiplexor driver
[ 3124.186402][T20327] ip_gre: GRE over IPv4 tunneling driver
[ 3128.126471][T20392] ping (20392) used greatest stack depth: 23360 bytes left
[ 3158.993837][T20901] ip6_gre: GRE over IPv6 tunneling driver
[ 3186.447680][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3190.478586][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3193.999557][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3197.838574][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!