[ 1510.262328][T20784] gre: GRE over IPv4 demultiplexer driver
[ 1510.685990][T20807] ip_gre: GRE over IPv4 tunneling driver
[ 1515.638387][T21060] ping (21060) used greatest stack depth: 23944 bytes left
[ 1525.345652][T21381] ip6_gre: GRE over IPv6 tunneling driver
[ 1530.348542][T21630] ping (21630) used greatest stack depth: 23776 bytes left
[ 1534.962113][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1536.882089][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1538.675079][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1540.594096][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!