[ 3178.279501][T27811] gre: GRE over IPv4 demultiplexor driver
[ 3179.508877][T27834] ip_gre: GRE over IPv4 tunneling driver
[ 3215.248595][T28414] ip6_gre: GRE over IPv6 tunneling driver
[ 3216.655188][T18893] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3219.662440][T18893] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3239.310367][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3243.087375][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3246.351376][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3250.191363][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3302.100761][T29801] ping (29801) used greatest stack depth: 22160 bytes left