[ 1321.044052][T30703] gre: GRE over IPv4 demultiplexer driver
[ 1321.515634][T30726] ip_gre: GRE over IPv4 tunneling driver
[ 1327.093305][T30978] ping (30978) used greatest stack depth: 23520 bytes left
[ 1337.401270][T31297] ip6_gre: GRE over IPv6 tunneling driver
[ 1344.957960][T31640] ping (31640) used greatest stack depth: 23072 bytes left
[ 1347.824403][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1349.872368][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1351.728359][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1353.776361][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!