[ 4392.136034][T25936] gre: GRE over IPv4 demultiplexor driver
[ 4394.210664][T25959] ip_gre: GRE over IPv4 tunneling driver
[ 4455.697941][T26531] ip6_gre: GRE over IPv6 tunneling driver
[ 4457.557129][T26542] ping (26542) used greatest stack depth: 23632 bytes left
[ 4498.561971][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4504.449910][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4509.442890][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4515.265880][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!