[ 4439.846483][T26123] gre: GRE over IPv4 demultiplexor driver
[ 4441.936459][T26146] ip_gre: GRE over IPv4 tunneling driver
[ 4469.303283][T26400] ping (26400) used greatest stack depth: 23936 bytes left
[ 4504.031434][T26720] ip6_gre: GRE over IPv6 tunneling driver
[ 4530.694959][T26970] ping (26970) used greatest stack depth: 23376 bytes left
[ 4546.546429][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4552.306340][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4557.234343][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4563.123347][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!