[ 1647.539901][T32159] gre: GRE over IPv4 demultiplexer driver
[ 1647.996052][T32182] ip_gre: GRE over IPv4 tunneling driver
[ 1664.355454][T32763] ip6_gre: GRE over IPv6 tunneling driver
[ 1670.228671][  T545] ping (545) used greatest stack depth: 23232 bytes left
[ 1670.362043][T25835] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1675.289973][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1677.338962][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1679.257993][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1681.305973][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1703.976387][ T1721] ping (1721) used greatest stack depth: 23152 bytes left