[ 3202.529013][T28974] gre: GRE over IPv4 demultiplexor driver
[ 3203.696511][T28997] ip_gre: GRE over IPv4 tunneling driver
[ 3238.952131][T29576] ip6_gre: GRE over IPv6 tunneling driver
[ 3243.413496][T25319] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3245.972363][T26217] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3263.765294][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3267.476301][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3270.805316][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3274.581294][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3329.239531][T31067] ping (31067) used greatest stack depth: 22144 bytes left