[ 1321.066678][ T1005] gre: GRE over IPv4 demultiplexer driver
[ 1321.489246][ T1029] ip_gre: GRE over IPv4 tunneling driver
[ 1327.794963][ T1325] ping (1325) used greatest stack depth: 23808 bytes left
[ 1337.040217][ T1600] ip6_gre: GRE over IPv6 tunneling driver
[ 1347.235421][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1349.219383][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1351.075383][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1353.058389][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1406.892410][ T4207] ping (4207) used greatest stack depth: 22896 bytes left