[ 2291.008162][T16889] gre: GRE over IPv4 demultiplexor driver
[ 2292.891109][T16913] ip_gre: GRE over IPv4 tunneling driver
[ 2346.933021][T17485] ip6_gre: GRE over IPv6 tunneling driver
[ 2366.130503][T17684] ping (17684) used greatest stack depth: 22016 bytes left
[ 2385.126388][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2390.374288][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2394.854301][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2400.231307][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!