[ 3198.887254][T26351] gre: GRE over IPv4 demultiplexor driver
[ 3200.111358][T26375] ip_gre: GRE over IPv4 tunneling driver
[ 3236.505018][T26949] ip6_gre: GRE over IPv6 tunneling driver
[ 3256.797556][T27292] ping (27292) used greatest stack depth: 21824 bytes left
[ 3261.019277][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3264.730207][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3267.994186][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3271.770242][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!