[ 1395.067479][T29243] gre: GRE over IPv4 demultiplexer driver
[ 1395.532697][T29266] ip_gre: GRE over IPv4 tunneling driver
[ 1400.013165][T29468] ping (29468) used greatest stack depth: 23632 bytes left
[ 1403.081327][T29613] ping (29613) used greatest stack depth: 23552 bytes left
[ 1411.536263][T29845] ip6_gre: GRE over IPv6 tunneling driver
[ 1417.081889][T30094] ping (30094) used greatest stack depth: 23208 bytes left
[ 1421.961391][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1423.946351][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1425.802353][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1427.850348][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!