[ 3184.532410][T27811] gre: GRE over IPv4 demultiplexor driver
[ 3185.898380][T27834] ip_gre: GRE over IPv4 tunneling driver
[ 3220.970869][T28407] ip6_gre: GRE over IPv6 tunneling driver
[ 3225.322512][T26127] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3244.970358][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3248.746380][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3252.010380][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3254.814121][T28939] ping (28939) used greatest stack depth: 22888 bytes left
[ 3255.786366][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!