[ 4451.273018][T22404] gre: GRE over IPv4 demultiplexor driver
[ 4453.272992][T22427] ip_gre: GRE over IPv4 tunneling driver
[ 4514.134259][T23002] ip6_gre: GRE over IPv6 tunneling driver
[ 4555.760291][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4561.583228][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4566.512257][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4572.336258][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!