[ 1701.006511][ T1527] gre: GRE over IPv4 demultiplexer driver
[ 1701.484976][ T1550] ip_gre: GRE over IPv4 tunneling driver
[ 1718.529607][ T2121] ip6_gre: GRE over IPv6 tunneling driver
[ 1724.654965][ T2371] ping (2371) used greatest stack depth: 23120 bytes left
[ 1729.758194][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1731.870165][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1733.790169][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1735.903169][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!