[ 4327.341692][T20288] gre: GRE over IPv4 demultiplexor driver
[ 4329.365040][T20312] ip_gre: GRE over IPv4 tunneling driver
[ 4391.307294][T20886] ip6_gre: GRE over IPv6 tunneling driver
[ 4433.972345][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4439.860284][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4445.172261][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4451.380281][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!