[ 1869.862849][T21262] gre: GRE over IPv4 demultiplexer driver
[ 1870.393357][T21285] ip_gre: GRE over IPv4 tunneling driver
[ 1888.870717][T21864] ip6_gre: GRE over IPv6 tunneling driver
[ 1894.095629][T22064] ping (22064) used greatest stack depth: 22912 bytes left
[ 1897.930815][T22208] ping (22208) used greatest stack depth: 22176 bytes left
[ 1901.006854][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1903.246832][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1905.294877][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1907.534839][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!