[ 3377.901168][T31350] gre: GRE over IPv4 demultiplexor driver
[ 3379.085143][T31373] ip_gre: GRE over IPv4 tunneling driver
[ 3415.715090][T31949] ip6_gre: GRE over IPv6 tunneling driver
[ 3431.183813][T32199] ping (32199) used greatest stack depth: 22888 bytes left
[ 3437.160632][T26187] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3441.129386][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3444.904434][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3448.168380][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3451.944389][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!