[ 4424.979709][T25824] gre: GRE over IPv4 demultiplexor driver
[ 4426.999174][T25847] ip_gre: GRE over IPv4 tunneling driver
[ 4463.201567][T26194] ping (26194) used greatest stack depth: 22640 bytes left
[ 4487.880020][T26419] ip6_gre: GRE over IPv6 tunneling driver
[ 4530.734258][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4536.751195][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4541.742192][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4547.630157][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!