[ 3408.353265][T30564] gre: GRE over IPv4 demultiplexor driver
[ 3409.542738][T30587] ip_gre: GRE over IPv4 tunneling driver
[ 3445.721013][T31162] ip6_gre: GRE over IPv6 tunneling driver
[ 3470.169667][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3473.945576][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3477.273564][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3481.113567][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!