[ 4467.632414][T29146] gre: GRE over IPv4 demultiplexer driver
[ 4469.293644][T29169] ip_gre: GRE over IPv4 tunneling driver
[ 4518.652521][T29756] ip6_gre: GRE over IPv6 tunneling driver
[ 4547.025023][T30106] ping (30106) used greatest stack depth: 22928 bytes left
[ 4552.180681][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4557.045593][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4561.268626][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4566.004597][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4636.150602][T31143] ping (31143) used greatest stack depth: 22704 bytes left