[ 4316.818526][T21525] gre: GRE over IPv4 demultiplexor driver
[ 4318.855220][T21548] ip_gre: GRE over IPv4 tunneling driver
[ 4381.778327][T22131] ip6_gre: GRE over IPv6 tunneling driver
[ 4424.243914][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4430.195837][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4435.572825][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4441.651850][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!