[ 4473.130379][T21065] gre: GRE over IPv4 demultiplexer driver
[ 4474.840957][T21088] ip_gre: GRE over IPv4 tunneling driver
[ 4525.309555][T21660] ip6_gre: GRE over IPv6 tunneling driver
[ 4559.641021][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4564.568974][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4568.920946][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4573.912955][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4654.459153][T23135] ping (23135) used greatest stack depth: 23536 bytes left