[ 4680.366559][T24651] gre: GRE over IPv4 demultiplexor driver
[ 4682.477171][T24674] ip_gre: GRE over IPv4 tunneling driver
[ 4711.330033][T24927] ping (24927) used greatest stack depth: 23888 bytes left
[ 4747.943410][T25248] ip6_gre: GRE over IPv6 tunneling driver
[ 4760.304618][T25353] ping (25353) used greatest stack depth: 23792 bytes left
[ 4776.353042][T25497] ping (25497) used greatest stack depth: 23600 bytes left
[ 4792.947399][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4799.283317][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4804.723290][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4810.803318][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!