[ 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!