[ 1316.597247][T31799] gre: GRE over IPv4 demultiplexer driver
[ 1317.144463][T31822] ip_gre: GRE over IPv4 tunneling driver
[ 1334.065799][T32400] ip6_gre: GRE over IPv6 tunneling driver
[ 1340.144466][T32649] ping (32649) used greatest stack depth: 22952 bytes left
[ 1345.204701][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1347.252668][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1349.236669][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1351.284680][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!