[ 3377.901168][T31350] gre: GRE over IPv4 demultiplexor driver [ 3379.085143][T31373] ip_gre: GRE over IPv4 tunneling driver [ 3415.715090][T31949] ip6_gre: GRE over IPv6 tunneling driver [ 3431.183813][T32199] ping (32199) used greatest stack depth: 22888 bytes left [ 3437.160632][T26187] ip6_tunnel: tep1 xmit: Local address not yet configured! [ 3441.129386][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3444.904434][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3448.168380][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3451.944389][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured!