[ 1645.541174][ T3744] gre: GRE over IPv4 demultiplexer driver
[ 1646.064869][ T3767] ip_gre: GRE over IPv4 tunneling driver
[ 1662.103593][ T4338] ip6_gre: GRE over IPv6 tunneling driver
[ 1663.785201][   T66] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1667.865090][ T8674] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1669.792411][ T4681] ping (4681) used greatest stack depth: 23072 bytes left
[ 1672.689238][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1674.737247][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1676.592240][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1678.577248][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!