[  942.287838][ T7591] gre: GRE over IPv4 demultiplexor driver
[  944.349450][ T7615] ip_gre: GRE over IPv4 tunneling driver
[  944.581641][ T7622] ip (7622) used greatest stack depth: 24016 bytes left
[  969.513149][ T7877] ping (7877) used greatest stack depth: 23920 bytes left
[ 1002.610981][ T8197] ip6_gre: GRE over IPv6 tunneling driver
[ 1009.344750][ T8258] ping (8258) used greatest stack depth: 23040 bytes left
[ 1042.451461][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1048.212418][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1053.012394][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1058.835395][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!