[ 1557.375400][ T1308] gre: GRE over IPv4 demultiplexer driver
[ 1557.795797][ T1331] ip_gre: GRE over IPv4 tunneling driver
[ 1573.322859][ T1902] ip6_gre: GRE over IPv6 tunneling driver
[ 1576.985075][T30915] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1577.764106][ T2101] ping (2101) used greatest stack depth: 23280 bytes left
[ 1581.016052][T11075] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1583.704002][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1585.688001][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1587.480992][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1589.464009][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!