[ 1325.773528][T29743] gre: GRE over IPv4 demultiplexer driver
[ 1326.098993][T29758] ip (29758) used greatest stack depth: 23512 bytes left
[ 1326.300637][T29766] ip_gre: GRE over IPv4 tunneling driver
[ 1342.350753][T30344] ip6_gre: GRE over IPv6 tunneling driver
[ 1347.061839][   T75] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1352.917759][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1354.901770][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1356.757764][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1358.806764][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1380.189545][T31728] ping (31728) used greatest stack depth: 22560 bytes left