[ 4693.106829][T24737] gre: GRE over IPv4 demultiplexor driver
[ 4695.378170][T24760] ip_gre: GRE over IPv4 tunneling driver
[ 4754.379769][T25275] ip (25275) used greatest stack depth: 23408 bytes left
[ 4762.134466][T25336] ip6_gre: GRE over IPv6 tunneling driver
[ 4791.044952][T25585] ping (25585) used greatest stack depth: 23328 bytes left
[ 4807.799516][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4814.006442][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4819.126462][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4825.335467][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4914.695275][T26672] ping (26672) used greatest stack depth: 22832 bytes left