[ 1591.265902][ T1489] gre: GRE over IPv4 demultiplexer driver
[ 1591.748232][ T1512] ip_gre: GRE over IPv4 tunneling driver
[ 1607.404636][ T2087] ip6_gre: GRE over IPv6 tunneling driver
[ 1612.914316][ T2336] ping (2336) used greatest stack depth: 23320 bytes left
[ 1617.791930][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1619.774900][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1621.630903][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1623.615908][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!