[ 3177.897385][T29040] gre: GRE over IPv4 demultiplexor driver
[ 3179.103569][T29063] ip_gre: GRE over IPv4 tunneling driver
[ 3215.589807][T29634] ip6_gre: GRE over IPv6 tunneling driver
[ 3225.803764][T26314] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3228.171669][T26281] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3240.652578][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3244.491638][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3247.883603][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3251.787583][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3293.637269][T30829] ping (30829) used greatest stack depth: 23360 bytes left
[ 3301.841078][T30967] ping (30967) used greatest stack depth: 23248 bytes left