[ 3144.699676][T27776] gre: GRE over IPv4 demultiplexor driver
[ 3145.822151][T27799] ip_gre: GRE over IPv4 tunneling driver
[ 3149.770242][T27863] ping (27863) used greatest stack depth: 23720 bytes left
[ 3181.226898][T28370] ip6_gre: GRE over IPv6 tunneling driver
[ 3193.085100][T28571] ping (28571) used greatest stack depth: 22784 bytes left
[ 3193.429863][T19808] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3205.590743][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3209.302741][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3212.565736][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3216.405738][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!