[  970.568046][ T7587] gre: GRE over IPv4 demultiplexor driver
[  972.580579][ T7611] ip_gre: GRE over IPv4 tunneling driver
[  997.650358][ T7865] ping (7865) used greatest stack depth: 23128 bytes left
[ 1030.957253][ T8186] ip6_gre: GRE over IPv6 tunneling driver
[ 1038.119539][ T8247] ping (8247) used greatest stack depth: 23088 bytes left
[ 1072.944609][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1078.769523][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1083.888509][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1089.841594][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!