[ 3204.267623][T27888] gre: GRE over IPv4 demultiplexor driver
[ 3205.456143][T27911] ip_gre: GRE over IPv4 tunneling driver
[ 3242.177020][T28483] ip6_gre: GRE over IPv6 tunneling driver
[ 3243.739345][ T6133] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3257.867452][T28742] ping (28742) used greatest stack depth: 23192 bytes left
[ 3267.801359][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3271.641339][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3275.481348][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3279.769348][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3410.494160][T31012] ping (31012) used greatest stack depth: 22336 bytes left