[ 1541.072248][T27908] gre: GRE over IPv4 demultiplexer driver
[ 1541.548909][T27931] ip_gre: GRE over IPv4 tunneling driver
[ 1557.499648][T28502] ip6_gre: GRE over IPv6 tunneling driver
[ 1567.990058][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1570.038020][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1571.894026][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1573.943031][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1595.070051][T29887] ping (29887) used greatest stack depth: 23504 bytes left