[ 1621.545709][ T7017] gre: GRE over IPv4 demultiplexer driver
[ 1622.009772][ T7040] ip_gre: GRE over IPv4 tunneling driver
[ 1638.069684][ T7613] ip6_gre: GRE over IPv6 tunneling driver
[ 1643.730109][ T7863] ping (7863) used greatest stack depth: 23200 bytes left
[ 1648.648835][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1650.696805][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1652.616800][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1654.727817][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!