[ 4141.768592][T28085] gre: GRE over IPv4 demultiplexor driver
[ 4143.379378][T28108] ip_gre: GRE over IPv4 tunneling driver
[ 4190.785478][T28680] ip6_gre: GRE over IPv6 tunneling driver
[ 4223.422109][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4228.286045][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4232.382176][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4237.246048][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4305.801454][T30062] ping (30062) used greatest stack depth: 22768 bytes left