[ 4118.398332][T28716] gre: GRE over IPv4 demultiplexer driver
[ 4119.977590][T28739] ip_gre: GRE over IPv4 tunneling driver
[ 4167.213615][T29318] ip6_gre: GRE over IPv6 tunneling driver
[ 4199.499107][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4204.299054][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4208.459045][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4213.259037][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4235.016468][T30135] ping (30135) used greatest stack depth: 23680 bytes left
[ 4283.393338][T30699] ping (30699) used greatest stack depth: 23536 bytes left