[ 3516.457339][T17387] gre: GRE over IPv4 demultiplexor driver
[ 3518.557962][T17411] ip_gre: GRE over IPv4 tunneling driver
[ 3580.427474][T17984] ip6_gre: GRE over IPv6 tunneling driver
[ 3625.009604][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3631.344514][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3636.528520][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3642.737504][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3731.094853][T19314] ping (19314) used greatest stack depth: 22512 bytes left