[ 1477.010714][T11895] gre: GRE over IPv4 demultiplexer driver
[ 1477.422576][T11918] ip_gre: GRE over IPv4 tunneling driver
[ 1492.650616][T12489] ip6_gre: GRE over IPv6 tunneling driver
[ 1499.972732][T12839] ping (12839) used greatest stack depth: 23392 bytes left
[ 1502.807407][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1504.791379][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1506.583379][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1508.566382][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!