[ 3545.501322][T21281] gre: GRE over IPv4 demultiplexor driver
[ 3547.697012][T21304] ip_gre: GRE over IPv4 tunneling driver
[ 3614.288069][T21883] ip6_gre: GRE over IPv6 tunneling driver
[ 3659.562034][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3665.705909][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3670.761937][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3676.713891][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3897.020046][T24497] ping (24497) used greatest stack depth: 22384 bytes left