[ 1235.113648][T29957] gre: GRE over IPv4 demultiplexer driver
[ 1235.748220][T29987] ip_gre: GRE over IPv4 tunneling driver
[ 1252.510979][T30566] ip6_gre: GRE over IPv6 tunneling driver
[ 1263.610928][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1265.658872][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1267.577877][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1269.690884][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1294.323215][T32040] ping (32040) used greatest stack depth: 23384 bytes left