[ 1312.261366][T31317] gre: GRE over IPv4 demultiplexer driver
[ 1312.817237][T31341] ip_gre: GRE over IPv4 tunneling driver
[ 1329.591308][T31912] ip6_gre: GRE over IPv6 tunneling driver
[ 1334.414112][T32111] ping (32111) used greatest stack depth: 23560 bytes left
[ 1340.666287][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1342.713248][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1344.633266][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1346.746241][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!