[ 3394.169990][T30175] gre: GRE over IPv4 demultiplexor driver
[ 3395.285705][T30199] ip_gre: GRE over IPv4 tunneling driver
[ 3429.825277][T30774] ip6_gre: GRE over IPv6 tunneling driver
[ 3442.147688][T26081] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3454.243543][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3458.019550][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3461.347552][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3465.188539][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3512.465179][T32115] ping (32115) used greatest stack depth: 23248 bytes left