[ 3178.335293][T28995] gre: GRE over IPv4 demultiplexor driver
[ 3179.490638][T29018] ip_gre: GRE over IPv4 tunneling driver
[ 3215.585134][T29590] ip6_gre: GRE over IPv6 tunneling driver
[ 3216.939915][T26256] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3225.260732][T26235] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3236.138579][T15633] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3239.979482][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3243.754477][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3247.082469][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3250.922486][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3369.506315][T32068] ping (32068) used greatest stack depth: 23264 bytes left