[ 4355.996967][T31086] gre: GRE over IPv4 demultiplexer driver
[ 4357.660256][T31109] ip_gre: GRE over IPv4 tunneling driver
[ 4406.416777][T31682] ip6_gre: GRE over IPv6 tunneling driver
[ 4423.179696][T31882] ping (31882) used greatest stack depth: 23008 bytes left
[ 4423.584017][T18577] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4440.543866][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4445.471893][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4449.759866][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4454.815906][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!