[ 1768.761408][ T6650] gre: GRE over IPv4 demultiplexer driver
[ 1769.342616][ T6673] ip_gre: GRE over IPv4 tunneling driver
[ 1776.752178][ T6925] ping (6925) used greatest stack depth: 22864 bytes left
[ 1789.398609][ T7248] ip6_gre: GRE over IPv6 tunneling driver
[ 1800.329368][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1802.377359][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1804.296348][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1806.408350][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!