[ 4670.131248][T23274] gre: GRE over IPv4 demultiplexor driver
[ 4672.358442][T23297] ip_gre: GRE over IPv4 tunneling driver
[ 4737.460722][T23870] ip6_gre: GRE over IPv6 tunneling driver
[ 4783.679731][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4790.014640][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4795.391608][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4801.854634][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!