[ 3431.144436][T31397] gre: GRE over IPv4 demultiplexor driver
[ 3432.318903][T31420] ip_gre: GRE over IPv4 tunneling driver
[ 3467.317636][T31995] ip6_gre: GRE over IPv6 tunneling driver
[ 3468.714470][T26234] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3476.650435][T26215] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3481.298293][T32245] ping (32245) used greatest stack depth: 23360 bytes left
[ 3490.602343][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3494.186336][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3497.322330][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3500.971349][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!