[ 3343.063181][T23049] gre: GRE over IPv4 demultiplexor driver
[ 3344.206487][T23072] ip_gre: GRE over IPv4 tunneling driver
[ 3358.768343][T23326] ping (23326) used greatest stack depth: 23840 bytes left
[ 3379.637739][T23646] ip6_gre: GRE over IPv6 tunneling driver
[ 3384.907416][T23743] ip (23743) used greatest stack depth: 23792 bytes left
[ 3393.757574][T23895] ping (23895) used greatest stack depth: 23552 bytes left
[ 3398.852542][T23990] ping (23990) used greatest stack depth: 23296 bytes left
[ 3402.963489][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3406.612394][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3409.747393][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3413.716390][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3429.111932][T24463] ping (24463) used greatest stack depth: 23072 bytes left