[ 4026.266252][T20585] gre: GRE over IPv4 demultiplexer driver
[ 4027.927916][T20608] ip_gre: GRE over IPv4 tunneling driver
[ 4075.269677][T21180] ip6_gre: GRE over IPv6 tunneling driver
[ 4095.324599][T21429] ping (21429) used greatest stack depth: 23648 bytes left
[ 4098.626127][T21473] ping (21473) used greatest stack depth: 23344 bytes left
[ 4107.663082][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4112.398990][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4116.431978][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4121.167001][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!