[ 4678.576772][T24811] gre: GRE over IPv4 demultiplexor driver
[ 4680.809525][T24834] ip_gre: GRE over IPv4 tunneling driver
[ 4747.653797][T25406] ip6_gre: GRE over IPv6 tunneling driver
[ 4777.069768][T25657] ping (25657) used greatest stack depth: 23600 bytes left
[ 4794.165400][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4800.757357][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4806.069341][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4812.469336][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4843.583803][T26229] ping (26229) used greatest stack depth: 22816 bytes left
[ 4910.253439][T26793] ping (26793) used greatest stack depth: 21808 bytes left