[ 3168.196968][T28912] gre: GRE over IPv4 demultiplexor driver
[ 3169.371746][T28935] ip_gre: GRE over IPv4 tunneling driver
[ 3204.767653][T29508] ip6_gre: GRE over IPv6 tunneling driver
[ 3228.911454][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3232.623373][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3235.823376][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3239.599420][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3286.458805][T30845] ping (30845) used greatest stack depth: 22736 bytes left