[ 1658.601221][T31290] gre: GRE over IPv4 demultiplexer driver
[ 1659.079905][T31313] ip_gre: GRE over IPv4 tunneling driver
[ 1675.065388][T31884] ip6_gre: GRE over IPv6 tunneling driver
[ 1676.700000][T12454] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1680.779122][ T9954] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1682.665715][T32228] ping (32228) used greatest stack depth: 23248 bytes left
[ 1685.563931][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1687.612935][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1689.468937][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1691.516938][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!