[ 4176.852876][T28730] gre: GRE over IPv4 demultiplexer driver
[ 4178.467392][T28753] ip_gre: GRE over IPv4 tunneling driver
[ 4227.532264][T29337] ip6_gre: GRE over IPv6 tunneling driver
[ 4261.041894][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4265.969776][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4270.321744][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4275.249754][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4346.520102][T30716] ping (30716) used greatest stack depth: 23536 bytes left
[ 4354.140331][T30810] ping (30810) used greatest stack depth: 23528 bytes left
[ 4452.665095][T31942] ping (31942) used greatest stack depth: 23104 bytes left